SPIN Keyword Thesaurus Code Description Occurrences 0730077 Aboriginal Health 27 0401005 Aboriginal Studies 28 0755055 Abortion (Induced) 7 0406004 Abortion Counseling 0 0605010 Absorption 0 0503001 Academic Achievement 55 0715005 Accidents 26 0901001 Accounting 74 1007011 Acid Precipitation 1 1009020 Acoustic Damping Mechanisms 0 1013041 Acoustic Reverberation 1 1016010 Acoustic Target Detection 2 1016020 Acoustic Tomography 0 0607025 Acoustic Waves 0 1013001 Acoustics 38 1016015 Acoustics Technology 13 0901058 Acquisitions/Mergers 0 1220005 Actinide Chemistry 3 0745059 Acupuncture 3 0404001 Addictions 55 1009025 Adhesion Mechanisms 1 0414028 Adjustment Psychology 0 0801001 Administrative Law 7 0710005 Adolescent Health 86 0403040 Adolescent Parenting 5 0775035 Adolescent Pregnancy 24 0414030 Adolescent Psychology 17 0414070 Adolescent Sexual Behavior 14 0403001 Adolescents 48 0404025 Adoption 19 0505001 Adult & Continuing Education 62 0404060 Adult Day Care 2 0403019 Adults 10 0715006 Adverse Effects 6 0901002 Advertising 17 0409009 Aerial Geography 0 1015110 Aerial Reconnaissance 3 0601001 Aerodynamics 24 1016025 Aerodynamics Technology 7 0601002 Aeroelasticity 4 0601003 Aeromechanics 6 0601000 Aeronautical/Astronautical Engineering 15 1015001 Aeronautics 24 1001014 Aeronomy 5 0785005 Aerospace Biomedicine 7 1015113 Aerospace Engineering 25 1015115 Aerospace Environments 8 1015117 Aerospace Operations/Safety 12 1016030 Aerospace Technology 51 0317001 Aesthetics 7 0503002 Affective Development 2 0103701 Afghanistan 14 0101000 Africa 119 0403002 African Americans 16 0312016 African Languages/Literature 8 0303010 African-American Art 5 0309062 African-American History 13 0403058 African-American Studies 22 0710010 Aging/Gerontology 187 0201101 Agricultural Biotechnology 25 0201001 Agricultural Chemical Application 6 0201002 Agricultural Collectives/Cooperatives 9 0201003 Agricultural Commodities 38 0408001 Agricultural Economics 33 0201004 Agricultural Engineering 19 0201005 Agricultural Finance 3 0409011 Agricultural Geography 0 0309042 Agricultural History 1 0801002 Agricultural Law 0 0201006 Agricultural Management 31 0201007 Agricultural Planning/Policy 25 0201080 Agricultural Products, Physical Properties 5 0201085 Agricultural Products, Transport/Handling 16 0201000 Agriculture 179 0201022 Agriculture Conservation 15 0502001 Agriculture Education 19 0200000 AGRICULTURE/FOOD SCIENCES/FOODS 45 0201100 Agriculture/Food Studies--Developing Countrie 9 0201008 Agronomy 15 0715008 AIDS 255 0406006 AIDS Counseling 16 0715263 AIDS--Mental Health 18 0715264 AIDS--Perinatal/Pediatric 22 0715265 AIDS--Sexually Transmitted 13 0715266 AIDS--Substance Abuse 23 1015120 Air Breathing Engines 1 1015125 Air Navigation 6 1007005 Air Pollution 43 0419001 Air Safety 9 0419005 Air Transportation 11 1005001 Air/Sea Boundary Interactions 1 1016035 Aircraft Avionics 43 1016040 Aircraft Propulsion Technology 14 1015130 Airfoils 0 1016045 Airframe Design 8 0601004 Airframe Structures and Materials 7 0606070 Airport Runways 3 0105601 Alaska 6 0403053 Alaskan Natives 25 0104301 Albania 32 0502002 Alcohol Education 19 1265005 Alcohol Fuels 5 0404003 Alcohol/Alcoholism 133 0203002 Alcoholic Beverages 2 0745076 Alcoholism Prevention 59 0745077 Alcoholism Treatment 51 1010001 Algebra 9 0101301 Algeria 38 0417009 Alienation 0 1003045 Aliphatic Compounds 0 0785010 Allergy 48 0502040 Allied Health Education 8 0715315 Alpha-1 Antitrypsin Deficiency 5 1205005 Alternative Fuels 19 0745056 Alternative Medicine 31 0503003 Alternative Modes Education 6 1014016 Alternatives to Animal Testing 11 1015140 Aluminum Compounds 5 0715232 Alzheimer's Disease 66 0303011 American Art 31 0309043 American History 167 0312124 American Literature 98 0316011 American Music 9 0107100 American Republics 2 0312017 American Sign Language 1 0403041 American Studies 140 1003050 Amino Acids 2 0755005 Amniocentesis 1 1009006 Amorphous Materials 0 1015145 Amplitude Distribution Analysis 0 0715252 Amyotrophic Lateral Sclerosis (ALS) 13 1004090 Analog Computers/Computing 7 1010002 Analysis & Functional Analysis 4 1003008 Analytical Chemistry 30 0414001 Analytical Psychology 0 1215005 Analytical Techniques 3 0705000 Anatomical Systems/Sites 3 1002001 Anatomy 33 0309001 Ancient/Classical History 46 0107201 Andes 0 0715286 Anemia 12 0785015 Anesthesiology 54 0101501 Angola 1 0201009 Animal Behavior/Ethology 26 1002002 Animal Breeding and Facilities, Scientific 13 0201011 Animal Care 35 0201012 Animal Communication 2 1002052 Animal Development 14 0201013 Animal Diseases/Pathology 45 0201014 Animal Drugs 9 0201065 Animal Ecology 4 0201015 Animal Feeds/Nutrition 31 0201016 Animal Genetics/Breeding 40 1215019 Animal Genome 25 0201017 Animal Housing 8 0755021 Animal Model 86 0201018 Animal Physiology/Morphology 23 0201102 Animal Reproductive Biology 23 1014003 Animal Research Policy 23 0201019 Animal Science 110 1002063 Animal Taxonomy 5 0201020 Animal Waste 4 0715236 Anorexia/Bulimia 8 0110001 Antarctic Ocean 4 0102000 Antarctica 6 0607026 Antennae 15 0607061 Antennae and Wave Guides 3 0715325 Anthrax 3 0401000 Anthropology 181 1016050 Anti-Submarine Technology 1 0740005 Antibiotics 8 0740010 Anticonvulsants 0 1015150 Antiferroelectricity 0 0108001 Antilles 0 0745089 Antiretroviral Therapy 9 0740011 Antisera 0 1015155 Antisubmarine Warfare 1 0801026 Antitrust Law 0 0740012 Antivirals 7 0715009 Anxiety 10 0607001 Applied Electronics 0 1010003 Applied Mathematics 43 1013085 Applied Physics 6 0414002 Applied Psychology 0 1006000 Applied Sciences 21 0417001 Applied Sociology 0 0607027 Applied Ultrasonics 1 1015160 Approach 1 1015165 Approach Control 0 1016001 Appropriate Technology 0 0201075 Aquacultural Engineering 5 0201066 Aquaculture/Hydroponics 48 1230015 Aquatic Ecology 51 0103601 Arab States 5 0110018 Arabian Gulf 0 0103501 Arabian Peninsula 1 0312018 Arabic Language/Literature 2 0901074 Arbitration/Collective Bargaining 5 0201105 Arboriculture 3 0402001 Archaeological Conservation 13 0402000 Archaeology 247 0402002 Archaeometry 2 0606001 Architectural Engineering 11 0307001 Architecture 163 0307021 Architecture History 46 0307020 Architecture, Design 36 1103020 Archival Programs 84 0130001 Arctic 10 1008015 Arctic Meteorology 3 0110002 Arctic Ocean 5 1008020 Arctic Sciences 10 0403000 Area & Population Studies/Services 12 0302000 Area Studies (Arts/Humanities) 35 0107202 Argentina 15 0103602 Armenia 45 1003043 Aromatic Compounds 0 0715320 Arrhythmias 10 0303001 Art Administration 39 0305001 Art Criticism 72 0502003 Art Education 108 0303013 Art Fundraising Campaigns 3 0303014 Art Planning/Policy 16 0319001 Art Works/Artifacts 77 0715225 Arteriosclerosis/Atherosclerosis 13 0715010 Arthritis 76 1004015 Artificial Intelligence/Cybernetics 29 1015175 Artificial Radiation Belts 0 1015170 Artificial Satellites 0 0303020 Arts in Education 28 0303000 Arts, General/Other 642 0300000 ARTS/HUMANITIES/CULTURAL ACTIVITIES 520 0725038 Asbestos 4 0103000 Asia 67 0312020 Asian Languages/Literature 11 0318040 Asian Religions 1 0403045 Asian-Americans 7 0403054 Asian/Pacific Islanders 7 0417011 Assimilation 2 0735021 Assistive Technology (Handicapped) 32 0715013 Asthma 58 1015180 Astrodynamics 1 1015185 Astronaut Maneuvering Equipment 0 1015002 Astronautics 12 1015190 Astronomical Satellites 1 1013002 Astronomy 112 1013003 Astrophysics 48 0403050 At-Risk Children/Youth 82 0715253 Ataxia 8 0110003 Atlantic Ocean 7 1001002 Atmosphere: Composition & Disturbance 5 1001012 Atmospheres/Planets 5 1015200 Atmospheric Attenuation 0 1001055 Atmospheric Chemistry 22 1001010 Atmospheric Deposition 2 1230020 Atmospheric Ecology 4 1015205 Atmospheric Models 16 1001056 Atmospheric Physics 9 1015210 Atmospheric Radiation 6 1001057 Atmospheric Remote Sensing 3 1001000 Atmospheric Sciences 118 1001058 Atmospheric Structure and Dynamics 11 1013045 Atom Interferometry 0 1003001 Atomic & Molecular Structure 8 1013019 Atomic Physics 29 1013051 Atomic Spectra 1 1016055 Attack-Class Submarines 0 0785020 Audiology 17 0901003 Auditing 8 1015215 Auroras 0 0106101 Australasia 0 0106102 Australia 70 0309016 Australian History 21 0104501 Austria 29 0715256 Autism 34 0715015 Autoimmunity 23 1010027 Automata 0 0735005 Automated Clinical Analysis 0 0609001 Automation 23 0417015 Automation and Industrial Workers 0 0609002 Automotive Engineering 11 1205000 Automotive Propulsion Systems 0 1015220 Auxiliary Power Sources 1 1016060 Aviation Technology 34 0104101 Azerbaijan 41 0104302 Azores 1 1015225 Background Noise 0 1015230 Background Radiation 0 1002003 Bacteriology 36 0105100 Bahamas 7 0103502 Bahrain 41 0203001 Bakery Products 1 0705073 Balance 20 0312022 Baltic Languages/Literature 0 0110004 Baltic Sea 0 0104102 Baltic States 4 0103503 Bangladesh 13 0901005 Banking 24 0801003 Banking Law 0 0901006 Bankruptcy 0 0108002 Barbados 11 1015235 Barrier Layers 0 0502004 Basic Skills Education 12 1255003 Batteries 6 1015240 Beams (Radiation) 10 0110019 Beaufort Sea 0 0710011 Behavior and Health 176 0406015 Behavior Modification 13 1215015 Behavioral Biology 13 0715020 Behavioral Medicine 122 0502060 Behavioral Science Education 32 0745001 Behavioral Therapy 27 0414015 Behavioral/Experimental Psychology 6 0400000 BEHAVIORAL/SOCIAL SCIENCES 293 0404000 Behavioral/Social Studies/Services/Other 87 0104103 Belarus 38 0104401 Belgium 18 0107301 Belize 8 1015245 Beneficiation 0 0101502 Benin 8 0110005 Bering Sea 1 0105200 Bermuda 4 0103504 Bhutan 3 0318041 Biblical Studies 18 1103021 Bibliographic Projects 16 0503004 Bilingual/Bicultural Education 14 0755010 Bioassay 4 0710013 Biochemical Engineering 9 0760002 Biochemical Markers 7 1003002 Biochemistry 186 1003015 Biochemistry, Carbohydrates 4 1003016 Biochemistry, Lipids 6 1003017 Biochemistry, Nucleic Acid 3 1003018 Biochemistry, Proteins 5 1008025 Biocorrosion 0 0785232 Biodefense 17 1002048 Biodegradation 4 1007029 Biodiversity 80 1015250 Biodynamics 0 1002196 Bioeffects 5 0706010 Bioelectric Phenomena 0 0765005 Bioenergetics 5 0710015 Bioengineering 117 0740013 Biofeedback 0 1008030 Biofouling 3 1005049 Biogeochemistry 16 0710139 Bioinformatics 72 1002024 Biological Instrumentation 10 0760003 Biological Markers 48 1215010 Biological Materials 4 1002071 Biological Modeling 8 1008005 Biological Oceanography 11 1002075 Biological Polymers 0 0780005 Biological Resources 7 0740015 Biological Response Modifiers 1 1002000 Biological Sciences 419 1002078 Biological Sensor Mechanisms 7 1104001 Biological/Chemical Warfare 36 1265010 Biomass Fuels 19 0750005 Biomaterials 46 0710020 Biomechanics 8 0706000 Biomedical Engineering 49 0780010 Biomedical Research Resources, Other 65 0720005 Biomedical Research Training 206 0710030 Biomedical Research, Multidisciplinary 662 1002012 Biometry 7 1002200 Biomimetics 17 1002195 Biomineralization 2 1003066 Biomolecular Science 16 1008035 Biophysical Interactions 1 1013004 Biophysics 58 1009030 Biopolymeric Materials 2 1007038 Bioremediation 3 1002193 Biosphere 9 0710032 Biostatistics 54 0765010 Biosynthesis 3 0710033 Biosystematics 5 0710035 Biotechnology 214 0404031 Bioterrorism 19 1002175 Biotic Systems 8 0715318 Bipolar Disorder 16 0715030 Birth/Congenital Defects 21 0110006 Black Sea 4 1015255 Blackout Physiology 0 1015260 Blackout Propagation 0 0715031 Bleeding Disorders 11 0715227 Blindness 45 1002090 Blood Coagulation 13 0715032 Blood Diseases 63 0750010 Blood/Blood Products/Transfusions 42 0790001 Body Composition 7 0107203 Bolivia 13 0705004 Bone 33 0715270 Bone Diseases 34 0705005 Bone Marrow 23 1015265 Booster Rocket Engines 0 0104303 Bosnia-Hercegovina 26 1002013 Botany 68 0101401 Botswana 11 1015275 Boundary Layer Control 0 1015270 Boundary Layers 5 0705010 Brain 107 0715255 Brain Tumors 13 1015280 Brakes for Arresting Motion 1 0107204 Brazil 35 0715276 Breast Cancer 90 0750015 Breast Milk 2 0606060 Bridge Management Systems 0 0606051 Bridges 7 0150001 British Commonwealth of Nations 11 0309044 British History 39 0104402 British Isles 3 1015285 Broadband 4 0405001 Broadcast Media 59 1007041 Brownfields 4 0103401 Brunei 5 1255005 Buildings, Commercial Energy Use 9 1255010 Buildings, Industrial Energy Use 10 1255015 Buildings, Municipal Energy 9 1255020 Buildings, Residential Energy Use 8 0606087 Built Environment 18 0104304 Bulgaria 44 0312120 Bulgarian Language/Literature 1 0101503 Burkina Faso (Upper Volta) 4 0103402 Burma (Myanmar) 5 1015290 Burning Rate 0 0414036 Burnout 0 0715033 Burns 13 0101201 Burundi 1 0201110 Bush/Bushlands 2 0901095 Business 197 0901007 Business Administration 105 0901008 Business Communications 6 0408020 Business Cycles/Crises 0 0502005 Business Education 37 0901009 Business Ethics 5 0901044 Business Statistics 5 0801004 Business/Corporate Law 10 0901096 Business/Economics Planning/Policy 19 0309002 Byzantine History 7 1015295 Cabin Atmospheres 0 0203004 Cacao Products 0 0715301 Cachexia 3 1010004 Calculus 0 0710096 Caloric Restriction 2 0103404 Cambodia (Kampuchea) 9 0101504 Cameroon 6 0105300 Canada 83 0309060 Canadian History 21 0403059 Canadian Studies 48 0101302 Canary Islands 1 0710137 Cancer Biology 45 0715035 Cancer/Carcinogenesis 457 0203005 Candy 1 0201107 Canine Diseases/Pathology 1 0607066 Capacitors 0 0101505 Cape Verde 2 1003040 Carbohydrates 6 1009035 Carbon Composites 4 1015300 Carbon Compounds 4 1260005 Carbon Dioxide 7 1002081 Carbon Dioxide Fixation 2 1003027 Carbon Dioxide Reduction 4 1007039 Carbon Sequestration 3 1015305 Cardiography 6 0785025 Cardiology 50 0785228 Cardiopulmonary/Chest Medicine 15 0715040 Cardiovascular Diseases 251 0705015 Cardiovascular System 200 0502006 Career Education & Planning 56 0108003 Caribbean Islands 35 0110007 Caribbean Sea 3 0715041 Caries 3 0409001 Cartography 25 1103001 Cataloging & Classification 13 1003019 Catalysis/Kinetics 18 0715326 Cataract 9 1004169 CD-ROM 8 1015310 Celestial Bodies, Celestial Geodesy 1 1013005 Celestial Mechanics 0 1015325 Celestial Navigation 0 1015330 Celestial Reference Systems 0 0760004 Cell Components 101 1002198 Cell Death 17 0780015 Cell Lines 12 1002004 Cellular Biology 151 1002183 Cellular Physiology 17 0309058 Celtic Studies 5 0606052 Cement and Concrete Chemistry 4 0101100 Central Africa 0 0101303 Central African Republic 0 0107300 Central America 21 0103100 Central Asia 12 0104500 Central Europe 23 0604000 Ceramic Engineering 9 0320001 Ceramics (Visual Arts) 11 1009001 Ceramics/Refractories 12 0203006 Cereals 0 0715257 Cerebral Palsy 7 0715042 Cerebrovascular Disorders 30 0715308 Cervical Cancer 17 0101304 Chad 3 0316012 Chamber Music 14 1015335 Change Detection 0 1010030 Chaos 5 1003003 Chemical Dynamics 3 1003004 Chemical Effects 12 0605000 Chemical Engineering 130 1013020 Chemical Physics 7 1003053 Chemical Reactions 13 1003000 Chemical Sciences 299 1003006 Chemical Synthesis 12 1003060 Chemicals and Chemical Properties 21 1230005 Chemicals Monitoring 0 1230010 Chemicals Transport 6 0780017 Chemicals/Materials 57 0745003 Chemoprevention 7 0740018 Chemopreventive Agents 3 0740020 Chemotherapeutic Agents 5 0745005 Chemotherapy 10 1007037 Chesapeake Bay Studies 10 0403046 Chicanos 7 0403051 Child Abuse/Neglect 82 0404004 Child Psychology/Development 111 0403052 Child Support--Governmental/Parental 10 0403003 Child Welfare 87 0730005 Child/Maternal Health 319 0715296 Childhood Disease 30 0770005 Children (Patients) 19 0304010 Children's Literature 42 0403049 Children/Youth 424 0107205 Chile 20 0103201 China (People's Republic) 74 0110008 China Seas 0 0312024 Chinese Language/Literature 23 0745054 Chinese Medicine 1 0785030 Chiropractic 17 0715288 Cholera 0 0316013 Choral Music 10 0316010 Choreography 33 1003035 Chromatography 3 0715043 Chronic Fatigue 6 0715166 Chronic Obstructive Pulmonary Disease 11 0313001 Cinema/Video 189 1002176 Circadian Rhythms 11 1015340 Circuit Protection 0 0607028 Circuits and Systems 18 0607067 Circuits Theory/Architecture 1 0412014 Citizenship 31 0419002 Civic Activities 134 0412035 Civics/Civics Education 35 0606000 Civil Engineering 71 0801005 Civil Law 14 0412018 Civil Service 7 0412001 Civil/Human Rights 120 1001016 Classification of Climate 0 0503005 Classroom Instruction 17 1001008 Climate Change 50 1001003 Climatology 62 0710040 Clinical Chemistry 5 0706020 Clinical Engineering 0 0785035 Clinical Medicine, General 319 0414004 Clinical Psychology 15 0417013 Clinical Sociology 1 0755015 Clinical Trial 121 1002049 Cloning of Cells 8 1002050 Cloning of Organisms 0 1001018 Cloud Physics 4 1001004 Clouds 6 1220010 Coal Chemistry 2 1260055 Coal Combustion 2 1260010 Coal Processing 3 1260015 Coal Processing/Carbonization 0 1260020 Coal Processing/Desulfurization 0 1260025 Coal Processing/Gasification 0 1260030 Coal Processing/Hydrogenation 1 1260035 Coal Processing/Liquefaction 1 1260040 Coal Processing/Pyrolysis 0 1260045 Coal Processing/Solvent Extraction 0 0606002 Coastal & Ocean Engineering 16 1005006 Coastal Geology 3 1008040 Coastal Meteorology 2 1008001 Coastal Processes 50 0203007 Coffee 1 0414005 Cognitive Development/Processes 111 1015350 Coherent Radiation 0 0760005 Collagen 1 0417027 Collective Behavior 0 0505002 College Students 5 1015355 Collision Avoidance 3 1003009 Colloid Chemistry 4 0107206 Colombia 19 0715037 Colon Cancer 6 0309061 Colonial America 21 0203008 Color Additives 0 0715322 Colorectal Cancer 2 0730092 Combat Medical Care 3 1104019 Combat Rations 0 1003029 Combinatorial Chemistry 5 1010020 Combinatorics 5 1009160 Combustible Materials 0 0609003 Combustion 24 1220015 Combustion Chemistry 0 1015365 Cometary Magnetospheres 0 1015370 Comets 3 1015375 Command Guidance 2 0901010 Commerce 27 0201021 Commodity Futures 1 0104104 Commonwealth of Independent States (CIS) 1 0715045 Communicable Diseases 7 0607002 Communication Systems 60 0405000 Communications 152 0801006 Communications Law 2 1104020 Communications Warfare 4 0715050 Communicative Disorders, Hearing 40 0715055 Communicative Disorders, Speech 27 0501008 Community and School Relations 31 0416018 Community Development/Revitalization 295 0416019 Community Services 320 0403042 Community Studies 29 0403004 Community/Outreach Programs 200 0101402 Comoros 0 0503006 Comparative Education 3 0412007 Comparative Government 9 0318042 Comparative Religion 31 0417002 Comparative Sociology 3 0414062 Comparative/Animal Psychology 0 0507001 Compensatory Education 0 1004037 Compilers 1 0607072 Complex/Intelligent Systems 4 1009007 Composite Materials 16 0414038 Compulsive Behavior 5 0601013 Computational Fluid Dynamics 7 0609055 Computational Mechanics 7 1004001 Computer Applications 10 1004030 Computer Architecture 24 0307009 Computer Arts 14 0502041 Computer Education/Literacy 35 1004003 Computer Engineering 59 1004004 Computer Graphics 14 1004165 Computer Hardware 31 1004026 Computer Interface 7 1004168 Computer Modeling 42 0315002 Computer Music 1 1004085 Computer Operating Systems 11 1004006 Computer Programming Languages 6 1004000 Computer Science 334 1004043 Computer Simulation/Modeling 53 1004007 Computer Software 102 1004008 Computer Storage & Retrieval 20 1004009 Computer Systems Analysis 8 0901011 Computer Technology 103 1004010 Computer Theory 10 1004072 Computer Vision 8 0607029 Computer-Aided Design 14 0613000 Computer-Aided Engineering 3 0503007 Computer-Aided Instruction 16 1004170 Computer/Data/Network Security 24 0780040 Computing Resources 37 0606004 Concrete Structures 6 1013006 Condensed Matter 24 0404028 Confinement 0 0404026 Conflict/Dispute Resolution 65 0101506 Congo 4 0705020 Connective Tissue 15 1002005 Conservation Biology 32 0412036 Constitution 7 0801007 Constitutional Law 14 0606005 Construction Engineering 29 0801027 Construction Law 1 0606006 Construction Management 8 0404005 Consumer Behavior 32 0502007 Consumer Education/Information 9 0801008 Consumer Law 1 0901012 Consumer Services 37 0609048 Contact Stress Analysis 0 0405004 Content Analysis 0 0505007 Continuing Professional Development 4 0609005 Continuum Mechanics 1 0750020 Contraceptives 36 0801043 Contracts 9 1004012 Control Applications (Computer Sciences) 5 0607004 Control Systems (Electronic) 8 0609006 Control Systems (Mechanical Engineering) 12 1004013 Control Theory (Computer Sciences) 5 1104012 Conventional Warfare 1 0715060 Convulsive Disorders 1 0503041 Cooperative Education 8 1014010 Cooperative Science Programs 8 0901097 Corporate/Nonprofit Philanthropy 12 0901056 Corporate/Strategic Planning 8 1009002 Corrosion 11 1009040 Corrosion Science 4 1003061 Cosmetics 2 1250005 Cosmology 11 0107302 Costa Rica 14 0203009 Cottonseeds 6 0406008 Counseling Ethics 0 0406000 Counseling/Guidance 33 0503008 Counseling/Guidance Education 12 1008045 Coupled Ocean Acoustics Models 0 0320002 Craft Arts 96 0785041 Craniofacial Health 23 0320015 Creative Arts 47 0304000 Creative Writing 88 0901013 Credit 6 0407002 Crime Causation 15 0407003 Crime Control 46 0407018 Crime Prevention 2 0407004 Criminal Behavior 25 0407010 Criminal Identification 7 0407012 Criminal Information Systems 4 0407005 Criminal Justice 75 0801010 Criminal Law 18 0407016 Criminal Psychology 3 0407014 Criminal Statistics 9 0407000 Criminology 14 0406001 Crisis Counseling 4 0730088 Critical Care 29 0305000 Criticism 12 0104305 Croatia 30 0201023 Crop Insurance 3 0201024 Crop Science 88 0403005 Cross-Cultural Studies 30 1015380 Cryogenics 7 1004014 Cryptography 11 1010060 Cryptology 5 1009003 Crystallography 19 0108004 Cuba 5 0306000 Cultural Activities 186 0403056 Cultural Diversity 69 0409013 Cultural Geography 4 0309045 Cultural History 91 0402003 Cultural Resources 37 0401001 Cultural/Social Anthropology 36 0303012 Culture 300 0901014 Currency 3 0407017 Cybercrime 3 0706050 Cybernetics 2 0103603 Cyprus 10 0715258 Cystic Fibrosis 41 1002051 Cytogenetics 15 1002015 Cytology 16 1002097 Cytoskeleton 10 0312121 Czech and Slovak Languages/Literature 1 0104502 Czech Republic 35 0203010 Dairy Products 15 0201025 Dairy Science 15 0606007 Dams and Earth Structures 5 0316001 Dance 131 0502008 Dance Education 4 0312025 Danish Language/Literature 2 1015385 Data Acquisition 37 1004016 Data Analysis 60 0755018 Data Management/Analysis 144 1004166 Data Systems 52 1004061 Database Currency Control 1 0404006 Day Care 47 0306001 Deaf Culture 2 0404007 Death and Dying, Behavioral/Social 4 0715070 Death and Dying, Health and Physical Needs 20 0715044 Death/Mortality 26 0411015 Decision Sciences 34 0320003 Decorative Arts 23 1104015 Defense Planning/Policy 22 1104018 Defense Technology 154 0715022 Dementia 26 0412037 Democracy 77 0413001 Demography 49 0104202 Denmark 25 0745010 Dental Health & Hygiene 93 0502009 Dental Health Education 49 0785040 Dentistry 114 1004028 Dependable Systems 0 0414042 Dependency 32 0715072 Depression 36 0785045 Dermatology 38 0606011 Desalination 32 1015390 Descent Propulsion Systems 0 1015395 Descent Trajectories 0 0130002 Deserts and Arid Zones 0 0307000 Design Arts 66 0745015 Detoxification 1 0150002 Developing/Underdeveloped Nations 63 1002006 Developmental Biology 57 0715289 Developmental Disabilities 45 0414006 Developmental Psychology 8 0412009 Devolution 2 0715075 Diabetes 177 0715080 Diabetic Retinopathy 13 0745025 Dialysis 2 0413021 Diaspora 14 1013007 Dielectric Properties 2 0203011 Dietary Foods 12 0740026 Dietary Supplements 14 0715085 Digestive Diseases & Disorders 37 0705025 Digestive System 13 1004088 Digital Computers/Computing 27 0313011 Digital Television 1 1210000 Direct Energy Conversion 8 1015400 Directional Stability 0 0404008 Disasters 25 0503009 Discipline Problems 2 0710000 Disciplines/Fields, Health & Safety/Med/Biome 25 1010021 Discrete Classification 0 1010025 Discrete Mathematics 10 0404063 Discrimination 34 0795003 Disease Control 120 0715000 Disease Entities/Medical Problems, Behavior 31 0755020 Disease Model 60 0745027 Disease Prevention 341 1280026 DISPLAY 2 0503044 Distance Learning 47 1015405 Distance Measuring Equipment 0 1004063 Distributed Systems 7 0101202 Djibouti 0 0760054 DNA 77 1002070 DNA Replication 18 0403006 Domestic Violence 87 0108005 Dominica 5 0108006 Dominican Republic 12 0740080 Dosage Forms 22 0201026 Drainage 4 0304001 Drama 54 0316002 Dramatic/Theatre Arts 139 0320004 Drawing 27 1260075 Drilling and Mining 6 0502010 Driver Education 8 0503043 Dropout Prevention 14 0745078 Drug Abuse Prevention 79 0745079 Drug Abuse Treatment 71 0740081 Drug Delivery Systems 31 0755025 Drug Design 61 0502011 Drug Education 22 0710045 Drug Metabolism 12 0765045 Drug Resistance 6 0404009 Drugs/Drug Abuse 131 0312026 Dutch Language/Literature 1 1015410 Dynamic Characteristics 5 1015415 Dynamic Stability 1 0715090 Dyslexia 0 0715274 Dystonia 5 0503046 E-Learning 16 1016062 E-Science 10 1015420 Earth Atmosphere 7 1015425 Earth Orbital Rendezvous 0 1015430 Earth Orbits 0 0601017 Earth Satellite Applications 3 1005000 Earth Sciences 136 1005014 Earth Sciences Instrumentation 5 1005040 Earth/Terrestrial Remote Sensing 3 0606008 Earthquake Engineering 8 0404058 Earthquake Mitigation 3 0103200 East (Far East) Asia 22 0101200 Eastern Africa 2 0104100 Eastern Europe 33 0120001 Eastern Hemisphere 0 0130000 Ecological Zones 1 1002016 Ecology 181 0413013 Ecology and Population 4 0408002 Econometrics/Forecasting 8 0408041 Economic Competitiveness 32 0901015 Economic Development 213 0409003 Economic Geography 1 1005007 Economic Geology 0 0309003 Economic History 26 0408013 Economic Stabilization 3 0408040 Economic Studies--Developing Countries 14 0408003 Economic Theory 7 0408000 Economics 368 0502061 Economics Education 22 0408018 Economics of Consumption 1 0408036 Economics of Indexing 0 0408014 Economics of Research and Development 3 0408032 Economics of Telecommunications 0 0408015 Economics of the Environment 20 1007027 Ecosystem(s) 170 0715319 Ectodermal Dysplasias 2 0107207 Ecuador 11 0304011 Editorial Projects 19 0500000 EDUCATION 743 0503011 Education and Work 10 0503010 Education, Organizational Theory & Behavior 4 0720000 Education/Instruction (Health/Safety/Medical) 107 0502000 Education/Instructional Programs 156 0501000 Educational Administration and Policy 70 0503012 Educational Evaluation/Assessment 70 0501001 Educational Finance 11 0503035 Educational Improvement 167 0801012 Educational Law 0 0503000 Educational Modes/Psychology/Theory 3 0411011 Educational Planning/Policy 41 0414007 Educational Psychology 2 0503036 Educational Reform 81 0503037 Educational Restructuring 12 0503045 Educational Retention 35 0501035 Educational Studies--Developing Countries 6 0503014 Educational Testing/Measurement 27 0503038 Educational Values 2 0503042 Educational/Instructional Technology 92 0503013 Educational/Public Television 8 0901016 Efficiency Studies 5 0103604 Egypt (United Arab Republic) 54 1015435 Ejection 0 0107303 El Salvador 17 1015440 Elastic Waves 1 0609007 Elasticity 1 1009045 Elastomers/Coatings 0 0403008 Elderly 92 0730061 Elderly Health 149 0412016 Electoral Systems 8 1015445 Electric Generators 1 0607005 Electric Power Conversion 7 0607006 Electric Power Generation 22 0607007 Electric Power Transmission 4 1205010 Electric Powered Systems 14 0607000 Electrical Engineering/Electronics 151 1016080 Electro-optical Technology 22 1013047 Electro-optics 27 1003031 Electrochemical Analysis 0 1003021 Electrochemistry 8 1210005 Electrohydrodynamic Generators 0 1250010 Electrohydrodynamics 0 0607040 Electrolytic Cells 0 1015450 Electromagnetic Coupling 0 0607014 Electromagnetic Fields 3 0607008 Electromagnetic Propagation 2 1015460 Electromagnetic Propulsion 0 0607009 Electromagnetics 17 0609008 Electromechanical Systems 9 1013038 Electron Microscopy 12 1016063 Electronic Commerce (E Commerce) 20 1016064 Electronic Data Interchange (EDI) 2 1016070 Electronic Devices 36 1016075 Electronic Materials 18 0405010 Electronic Media 18 0607041 Electronic Neural Networks 3 1004023 Electronic Publishing 6 1016065 Electronic Warfare 14 1009080 Electronic/Optical Materials 6 0609042 Electronics Cooling 0 0710050 Electrophysiology 21 1002085 Electroreception 0 0504001 Elementary Education 62 1013021 Elementary Particle Physics 8 0504000 Elementary/Secondary Education 171 1002017 Embryology 30 0730087 Emergency Health Services 76 1104002 Emergency Preparedness 26 0609009 Emission Control 24 0715095 Emotional/Mental Health 179 0715239 Emotional/Mental Health--Child/Adolescent 74 0715240 Emotional/Mental Health--Geriatric 20 0715238 Emotional/Mental Health--Minorities 9 0715237 Emotional/Mental Health--Women 11 0507002 Emotionally Disturbed Education 5 0901017 Employee Benefits 8 0901048 Employment Opportunity Programs 116 0408016 Employment/Unemployment Studies 51 1007033 Endangered Species 37 0705030 Endocrine System 50 0785050 Endocrinology 68 0715034 Endometriosis 4 0760010 Endorphins 0 1008050 Energetics 3 1200000 ENERGY 129 1009050 Energy Absorbing Materials 0 1215000 Energy Biological/Biomedical Sciences 4 1220000 Energy Chemical Sciences 3 1210030 Energy Conservation 65 0408004 Energy Economics 25 1280000 Energy Education 3 1225000 Energy Engineering 19 1230000 Energy Environmental Sciences 28 1280005 Energy Faculty Support 0 1235000 Energy Geosciences 6 1280010 Energy Graduate Support 0 1240000 Energy Materials Sciences 12 1245000 Energy Mathematical Sciences 1 1250000 Energy Physical Sciences 5 0411019 Energy Planning/Policy 22 1280015 Energy Postdoctoral Support 0 1280020 Energy Pre-College Support 0 0609060 Energy Release/Transport 9 1255023 Energy Storage Systems 9 1255060 Energy Testing/Analysis 8 1280025 Energy Undergraduate Support 1 1255000 Energy Utilization 27 1230045 Energy/Environmental Studies--Developing Coun 8 0600000 ENGINEERING 650 0608001 Engineering Administration/Management 2 0609010 Engineering Design 20 0502042 Engineering Education 135 0606009 Engineering Geology 2 0608002 Engineering Innovation Processes 2 0608003 Engineering Management Information Systems 1 0608004 Engineering Personnel Management 0 0411020 Engineering Planning/Policy 2 0608005 Engineering Project Management 0 0414016 Engineering Psychology 0 0608006 Engineering Statistics 0 0609011 Engines 22 0104403 England 8 0502014 English as a Second Language 69 0502013 English Education 17 0312122 English Language/Literature 84 0201103 Enology/Viticulture 7 1002018 Entomology 32 0901050 Entrepreneurship 62 0725000 Environment (Health/Safety/Medical) 125 1007001 Environmental Biology 32 1007002 Environmental Chemistry 12 1007015 Environmental Conservation 306 0609012 Environmental Design 3 0307002 Environmental Design/Technology 19 0502015 Environmental Education 83 1007003 Environmental Effects 80 1260080 Environmental Effects, Fossil Energy 12 1275005 Environmental Effects, Hydropower 5 1009004 Environmental Effects, Materials 4 0606010 Environmental Engineering 46 1007004 Environmental Geography 2 0725005 Environmental Health 143 0801013 Environmental Law 31 1007035 Environmental Management 29 0725036 Environmental Medicine 8 1007016 Environmental Physics 5 0411009 Environmental Planning/Policy 98 0414044 Environmental Psychology/Crowding 2 1007030 Environmental Restoration/Remediation 155 1230030 Environmental Site Use Studies 11 1007000 Environmental Studies 523 0760013 Enzymes 21 1002089 Enzymes Catalysis 0 0710055 Enzymology 3 1007017 EPA Laboratory Support 0 0785055 Epidemiology 393 1002201 Epigenetics 10 0715244 Epilepsy 37 0501003 Equal Educational Opportunity 15 0412043 Equal Opportunity 33 0201108 Equine Diseases/Pathology 2 1002055 Equine Studies 20 0715307 Erectile Dysfunction 2 0608007 Ergonomics 7 0101305 Eritrea 7 1010031 Error Control 0 0715304 Esophageal Diseases 3 0801028 Estate Law 0 0801041 Estate Planning 0 0104105 Estonia 35 0760026 Estrogen 7 1008002 Estuarine Sciences 31 1265015 Ethane 0 0317002 Ethics 95 1014004 Ethics/Values in Science and Technology 23 0101306 Ethiopia 13 0401008 Ethnic Studies 74 0401007 Ethnography 12 0401009 Ethnohistory 4 0401010 Ethnology 7 1002110 Ethology 4 0755030 Etiology 91 1002113 Eugenics 0 0104600 Eurasia 13 0104000 Europe 35 0307022 European Architecture 4 0150003 European Communities 13 0408022 European Economic Integration 5 0309046 European History 51 0312126 European Languages/Literature 32 0150008 European Research Area (ERA) 2 0150004 European Union 23 1002065 Evolution 13 1002056 Evolutionary Biology 51 0745030 Exercise 32 1002116 Exobiology 0 0303015 Expansion Arts 0 1013086 Experimental Physics 10 1004027 Expert Systems 2 1260085 Exploration/Reserves, Energy 3 1220050 Explosions and Explosives 15 1205020 External Combustion Engines 0 1008055 Extra Tropical Storms 1 0760006 Extracellular Matrix 11 1015470 Extraterrestrial Environments 3 1015975 Extraterrestrial Life/Intelligence 2 1015475 Extraterrestrial Radiation 0 0715100 Eye Diseases 45 0609065 Failure Mechanics 1 0715281 Failure to Thrive 1 0107208 Falkland Islands 0 0403007 Family 123 0730010 Family Health/Planning/Safety 82 0503023 Family Literacy 6 0785080 Family Practice Medicine 65 0416020 Family Services 178 0406002 Family/Marriage Counseling 8 0201028 Farm and Ranch Management 24 0201027 Farm Machinery 4 0201071 Farming 22 0307003 Fashion/Textiles Design 9 1009005 Fatigue/Fracture 7 1109000 Federal Register Weekly Reference Guide 16 0104306 Federal Republic of Yugoslavia 9 0203012 Feed Grains 3 0201109 Feline Diseases/Pathology 2 1002057 Fermentation 2 0607071 Ferrites 0 0201029 Fertilizers 5 0715259 Fetal Alcohol Syndrome 13 0705035 Fetus 8 0607030 Fiber Optics 17 0715102 Fibromyalgia 1 0304002 Fiction 112 1015490 Field Aligned Currents 0 1015495 Field Theory (Physics) 0 0103202 Fiji 3 1004040 File Organization/Computers 0 0901018 Finance 105 1008060 Fine and Microstructure 2 0303016 Fine Arts 73 1010005 Finite Mathematics 0 0104203 Finland 30 1101000 Fire/Flammability Studies 15 0404062 Firearms/Guns 11 1009161 Fireproofing Materials 3 0408005 Fiscal Theory/Application 5 0201030 Fish and Fisheries 96 0601005 Flight Control 15 1015500 Flight Instruments 9 0601011 Flight Testing 18 1008008 Floods/Flooding 0 0609070 Flow Control 13 0609075 Fluid Dynamics 21 1015510 Fluid Flow 14 0609014 Fluid Mechanics 13 1250020 Fluid Physics 8 1250025 Fluid/Electrohydrodynamic Physics 0 1250030 Fluid/Magnetohydrodynamic Physics 0 1250035 Fluid/Superfluidity Physics 1 0745085 Fluoride 2 1015515 Flux Rate/Flux Density 1 1205025 Flywheel Propulsion 1 0730015 Folk Medicine 1 0308001 Folk/Ethnic Arts 40 0308000 Folk/Ethnic Studies 8 0308002 Folklore and Mythology 28 0202001 Food Additives 2 0785011 Food Allergy 3 0202002 Food Analysis 7 0202019 Food and Trade Policy 3 0202003 Food Chemistry 7 0202004 Food Consumption 22 0202005 Food Distribution 13 0202006 Food Drying 0 0202007 Food Engineering 9 0202008 Food Labeling 3 0202009 Food Management 8 0202010 Food Manufacturing 17 0202011 Food Marketing 19 0202024 Food Packaging 7 0202012 Food Practices 6 0202013 Food Preparation 14 0202014 Food Preservation 5 0202015 Food Processing 43 0202025 Food Radiation 0 0202016 Food Safety 63 0202000 Food Sciences 107 0404010 Food Stamps 3 0202017 Food Storage 10 0202018 Food Technology 51 0203000 Foods 34 0502016 Foreign Languages Education 60 0801014 Forensic Law 2 1019000 Forensic Science 15 0201067 Forest Ecology 13 0201031 Forest Economics 7 0201070 Forest Engineering 15 0201068 Forest Management 25 0201032 Forestry and Woodlands 120 1004031 Formal Semantics 0 0412026 Formal Theory (Political Science) 0 0104106 Former Soviet Union 17 1260000 Fossil Energy 14 1260140 Fossil Fuels Storage 3 1260090 Fossil Fuels, Coal 13 1260095 Fossil Fuels, Natural Gas 19 1260100 Fossil Fuels, Oil Shales/Tar Sands 10 1260105 Fossil Fuels, Petroleum 15 0404027 Foster Care 8 0715305 Fractures 7 0715291 Fragile X Syndrome 3 0104404 France 51 0901098 Free Enterprise 7 0107209 French Guiana 1 0312030 French Language/Literature 23 0609046 Friction/Wear Lubrication 0 1008065 Fronts and Eddies 0 0202020 Frozen Foods 2 0203013 Fruits 9 0203030 Fruits, Citrus 2 1210010 Fuel Cells 23 1016085 Fuel Consumption, Ships/Aircraft 2 0609080 Fuel Synthesis/Characterization 5 1016090 Fuel Use Management Aids 7 1009085 Functional Materials 3 0715103 Fungal Diseases 11 1270110 Fusion Technology 19 0101507 Gabon 0 0403061 Gaelic Studies 1 0107210 Galapagos Islands 0 1013008 Galaxies, Stellar Systems 11 0101508 Gambia 0 1010016 Games Theory 4 0403057 Gangs 14 1015520 Gas Flow 0 0609016 Gas Turbines 6 1265066 Gasification 5 0785060 Gastroenterology 66 0715323 Gastrointestinal Diseases/Disorders 25 1004075 Gateways 0 0103615 Gaza 35 0414054 Gender Differences 44 0417021 Gender Roles 48 0755035 Gene Cloning 9 0765046 Gene Expression 73 0760015 Gene Products 12 0765015 Gene Regulation 13 0745083 Gene Therapy 40 1002188 Genetic Engineering 31 0755040 Genetic Manipulation 11 0414048 Genetic Psychology 3 1002019 Genetics 358 0404065 Genocide 9 0765042 Genome/Phenome 4 0765041 Genomics 118 1005002 Geochemistry 35 1005003 Geodesy 11 1005041 Geodynamics 6 1004019 Geographic Information System(s) (GIS) 36 0409002 Geographic Quantitative Methods 0 0409000 Geography 106 0502062 Geography Education 4 1005005 Geology 105 1005038 Geomagnetism 1 1010006 Geometry 9 1005011 Geomorphology 7 1013009 Geophysics 43 0104107 Georgia 46 1005044 Geosciences 62 0606012 Geotechnical Engineering 5 1275010 Geothermal Energy 10 1275015 Geothermal Engineering 3 0710012 Geriatrics 52 0104503 German Democratic Republic (GDR), Former 6 0312028 German Language/Literature 20 0403047 German-Americans 0 0104504 Germany, Federal Republic of 87 0414040 Gestalt Psychology 0 0101509 Ghana 11 0507003 Gifted or Talented Education 12 1005042 Glacial Geology 3 1005012 Glaciology 4 1240005 Glasses 5 0715101 Glaucoma 12 1007018 Global Change 68 0730101 Global Health 10 0404066 Globalization 38 0202023 GM Crops 0 0202022 GM Foods 1 0403063 Governance 20 0412038 Government Accountability 16 0412002 Government Regulations 8 0412003 Government Studies 122 0412012 Governmental Functions 14 0201090 Grain Processing/Storage 5 0201033 Grains 21 1014006 Grants Administration/Policy 4 0203024 Grapes 7 0307004 Graphic Design 23 1013010 Gravitation 9 1007031 Great Lakes Studies 26 0104307 Greece 30 1007032 Greenhouse Effects 7 1001060 Greenhouse Gases 17 0105700 Greenland 1 1016061 GRID Technology 10 1015530 Ground Stations 2 1015535 Ground Support Equipment 3 0606057 Groundwater 12 0760020 Growth Factors 18 0105602 Guam 3 0107304 Guatemala 18 1015540 Guidance (Motion) 3 0101510 Guinea 6 0101511 Guinea-Bissau 0 0110009 Gulf of Mexico 4 0107211 Guyana 7 1007034 Habitat 80 0108007 Haiti 12 0404011 Halfway Programs 0 0735022 Handicapped Device Development 15 0745081 Handicapped Early Intervention 53 0507004 Handicapped Education 97 0801067 Handicapped Legal Services 5 0404061 Handicapped Public Access Programs 27 0415011 Handicapped Rehabilitation 45 0416015 Handicapped Social/Recreation Services 47 0416016 Handicapped Vocational Services 56 0770010 Handicapped/Disabled (Health/Safety/Medical) 134 1008031 Harmful Algal Blooms 2 1010035 Harmonic Analysis, Wavelets 0 0105603 Hawaii 5 0403055 Hawaiian Natives 10 0606053 Hazardous Waste Disposal/Clean-Up 16 1007012 Hazardous Wastes 21 0715317 Head and Neck Cancer 6 0502017 Health and Safety Education 103 0725010 Health and Safety Standards, Environment 55 0700000 HEALTH AND SAFETY/MEDICAL SCIENCES/BIOMEDICAL 496 0730000 Health Care 540 0730020 Health Care Administration 60 0730085 Health Care Cost Containment 40 0408006 Health Care Economics 25 0730086 Health Care Financing 50 0730023 Health Care Reform 46 0720011 Health Communication 8 0730100 Health Disparities 63 0730025 Health Facilities Studies 19 0730030 Health Insurance 36 0730035 Health Maintenance Organizations 3 0730040 Health Manpower/Professions 43 0730090 Health of Underserved Populations 243 0730091 Health Physics 11 0783015 Health Planning/Policy 176 0745035 Health Promotion 157 0730045 Health Records 8 0730050 Health Services Delivery 501 0785065 Health, Allied Fields 94 0725015 Health, Radiation Effects 12 0735020 Health/Medical Science--Computer Technology 63 0730089 Health/Nutrition Programs--Developing Countri 24 1260110 Health/Safety, Fossil Energy 1 0775005 Hearing 56 0705081 Heart 79 0705084 Heart Failure 18 0609017 Heat Transfer 15 0609018 Heating/Ventilation/Air Conditioning 15 1220020 Heavy Element Chemistry 0 0312029 Hebrew Language/Literature 4 1015545 Helicopters 6 0785070 Hematology 51 0120000 Hemispheres 0 0715233 Hemophilia 19 0715282 Hepatitis 35 0785071 Hepatology 28 0201034 Herbicides 3 0715267 Herpes Simplex Virus I 7 1002020 Herpetology 7 0130003 High Altitude Zones 0 1013022 High Energy Physics 14 1008070 High Latitude Processes 0 1008075 High Latitude Sediment Dynamics 1 1004167 High Performance Computing 12 1013011 High Pressure Sciences 2 0504002 High School Education 38 1220025 High Temperature Chemistry 3 1009055 High Temperature Coatings 2 1002083 High Temperature/Pressure Biology 0 0505000 Higher Education 273 0505003 Higher Education, Private 10 0505004 Higher Education, Public 4 0606064 Highway Construction/Work Zones 3 0606054 Highway Engineering 6 0403009 Hispanics 17 1002021 Histology 17 0319004 Historic Preservation/Restoration 103 0309047 Historical Documents 35 0309000 History 401 0309004 History & Appreciation of Art 212 0309005 History & Appreciation of Music 33 0502063 History Education 10 0309006 History of Law 12 0309013 History of Medicine 58 0309007 History of Philosophy 3 0309008 History of Science & Technology 89 0503015 History/Philosophy of Education 1 0715278 HIV Infection 323 0730093 Holistic Medicine 5 0401015 Holocaust 15 1013054 Holography 3 1101500 Home Economics 20 0502018 Home Economics Education 5 0730098 Home Health Care Services 25 0404029 Homeland Security 10 0403048 Homeless 47 0416021 Homeless Services 43 0403025 Homosexual Female 52 0403023 Homosexual Male 41 0107305 Honduras 16 0103203 Hong Kong 22 0745088 Hormone Replacement Therapy 4 0760025 Hormones 41 0201035 Horticulture 76 0730055 Hospices 13 0901051 Hospital Administration 3 0770015 Hospitalized Patient 2 0901019 Hotel & Restaurant Management 8 1102000 Housing 134 0801015 Housing Law 1 0110010 Hudson Bay 0 1007019 Hudson River Studies 6 1016095 Hull Surface Treatment 0 1002053 Human Development 76 1007020 Human Ecology 7 1002066 Human Evolution 4 0608008 Human Factors in Engineering 9 1215018 Human Genome 48 0414017 Human Learning and Memory 35 0715311 Human Papillomavirus 3 1002061 Human Physiology 26 0413011 Human Population Genetics 22 0413002 Human Reproduction/Fertility 46 0901101 Human Resources 51 0783005 Human Subjects Policy 12 0606066 Human Tolerance to Impact 0 0414008 Humanistic Psychology 6 0310005 Humanities Fundraising Campaigns 0 0310001 Humanities Planning/Policy 6 0310000 Humanities, General/Other 501 0502019 Humanities/Liberal Arts Education 58 0130004 Humid Zones 0 0104505 Hungary 41 0404064 Hunger 23 0715245 Huntington's Disease 14 1205030 Hybrid Propulsion Systems 1 0760030 Hybridomas 0 0606013 Hydraulic Engineering 6 1275020 Hydro Energy 6 1275025 Hydro Energy, Meteorology 1 1008080 Hydroacoustics 1 1265020 Hydrocarbon Fuels, General 2 1265025 Hydrocarbon Fuels, Preparation 1 1005045 Hydrodynamics 13 1265000 Hydrogen and Synthetic Fuels 2 1265030 Hydrogen Fuels, General 9 1265035 Hydrogen, Biosynthesis Processes 0 1265040 Hydrogen, Electrolysis 1 1265045 Hydrogen, Thermochemical Processes 1 1265050 Hydrogen, Transport 1 1265055 Hydrogen, Water/Gas Processes 1 1005013 Hydrology 60 0715271 Hyperactivity 12 0715105 Hyperplasia 2 0715110 Hypersensitivity 3 0715115 Hypertension 33 0745037 Hyperthermia 0 0755056 Hysterectomy 0 0309059 Iberian Studies 2 1008085 Ice-Acoustic Interactions 0 0104204 Iceland 18 0312031 Icelandic Language/Literature 3 1002022 Ichthyology 9 0403010 Illegal Aliens 5 0607031 Image Processing 32 1013042 Imaging Sciences 86 0403011 Immigrants 46 0801016 Immigration Law 3 0740023 Immune Enhancers 0 0705040 Immune System 82 0715120 Immune System Disorders 35 0745086 Immunization 32 0710060 Immunochemistry 1 1002099 Immunodiagnostics 0 0710065 Immunogenetics 2 0710070 Immunology 160 0710075 Immunopathology 3 1002177 Immunophysiology 8 0745040 Immunosuppression 7 0745045 Immunotherapy 15 0740082 Implants 12 0715272 Incontinence 14 0103505 India 48 0110011 Indian Ocean 2 0403022 Indigenous Australians 31 0103403 Indonesia 25 0607069 Inducers 0 0502020 Industrial Arts Education 2 0408026 Industrial Cooperation 2 0609019 Industrial Design 15 0608000 Industrial Engineering 47 1255025 Industrial Processes, Energy Use 14 0408024 Industrial Production 7 0414009 Industrial Psychology 2 0608009 Industrial Relations 6 0901068 Industrial Robotics 0 0608010 Industrial Systems Engineering 1 1016210 Industrial Technology 25 1007021 Industrial Waste 7 1255030 Industrial Waste Heat Recovery 0 1255035 Industrial Waste Management 8 0901020 Industry 82 1270097 Inertial Fusion 2 0414032 Infant Psychology 4 0403020 Infants 61 0715125 Infectious Diseases/Agents 211 0715026 Inflammation 45 0715230 Inflammatory Bowel Disease 17 0715283 Influenza 3 1004017 Information Science/Systems 256 1004062 Information Technology 161 1004018 Information Theory 4 0607070 Information/Communication Systems 63 1009060 Infrared Window Materials 0 1013075 Infrared/Optical Astronomy 5 0760035 Inhibitors 7 0715027 Injury 123 0715028 Injury, Immunophysiology 0 0403012 Inner-City 4 0901031 Innovation 62 1003010 Inorganic Chemistry 19 1009065 Inorganic Polymers 0 0801047 Insolvency/Bankruptcy 1 0320016 Installation Art 5 0503016 Instructional Materials and Practices 95 0503017 Instructional Television 2 0316005 Instrumental Music 17 1013012 Instrumentation, Techniques (Physical Science 5 0735000 Instruments/Instrumentation/Devices (Health/M 68 0760021 Insulin 23 0901021 Insurance/Actuarial Science 8 1004049 Integer Programming 0 0607043 Integrated Circuits 2 0309048 Intellectual History 8 0801032 Intellectual Property 11 0303017 Inter-Arts--Interdisciplinary Art Forms 28 0140002 Intercultural Communications 10 1009070 Interfaces 10 0605014 Interfacial Phenomena 1 0412008 Intergovernmental Relations 5 0307005 Interior Design 13 1009075 Intermetallics 0 1205035 Internal Combustion Engines 2 0785085 Internal Medicine 38 1008090 Internal Waves 0 0140001 International Affairs 43 0201036 International Agriculture 5 0801017 International and Comparative Law 36 0140003 International Business 29 0408007 International Economics 55 0502043 International Education/Training 100 0901076 International Management 0 0411001 International Planning/Policy 68 0412004 International Relations/Diplomacy 188 0140005 International Rights 4 1104016 International Security 42 0502064 International Studies Education 28 0140000 International Topics 27 0901022 International Trade & Finance 55 0100000 INTERNATIONAL/GEOGRAPHICAL REGIONS 5 0140004 International/Global Development 41 1004053 Internet 86 1015560 Interplanetary Spacecraft 3 1015565 Interplanetary Trajectories 1 1013013 Interstellar Studies 1 0740000 Intervention, Agents for (Health/Safety/Medic 205 0745000 Intervention, Types of (Health/Safety/Medical 217 0901070 Inventory Control Systems 2 1002062 Invertebrate Physiology 7 0901023 Investments and Securities 9 0760036 Ion Channels 3 1015570 Ionospheres 6 1015575 Ionospheric Conductivity 0 1001020 Ionospheric Phenomena 2 1001059 Ionospheric Physics 3 1015580 Ionospheric Propagation 0 0103605 Iran 10 0103606 Iraq 6 0104405 Ireland 27 1009162 Iron 8 1015585 Irradiation 2 0201037 Irrigation 12 0401011 Islamic Studies 19 0404030 Isolation 0 1005031 Isotope Geochemistry 3 1270010 Isotope Power Supplies 2 1270005 Isotope/Radiation Technology 4 0103607 Israel 108 0309017 Italian History 9 0312032 Italian Language/Literature 24 0104308 Italy 85 0101512 Ivory Coast 8 0108008 Jamaica 12 1016100 Jammers/Decoys 0 0103204 Japan 101 0312034 Japanese Language/Literature 22 0316014 Jazz Music 21 1015590 Jet Aircraft 1 1015595 Jet Engines 1 0320005 Jewelry/Metal Arts 6 0309049 Jewish History 20 0401012 Jewish Studies 61 0103608 Jordan 52 0313002 Journalism 175 0801018 Judicial/Law Administration 28 0505005 Junior & Community Colleges 2 0504003 Junior High School Education 2 0311000 Jurisprudence 49 0407006 Juvenile Delinquency 38 0407013 Juvenile Justice 26 0801019 Juvenile Law 5 0104108 Kazakhstan 44 0101203 Kenya 14 0785229 Kidney (Renal) Functions 43 0715262 Kidney Disease 63 1004035 Knowledge Acquisition 3 1004036 Knowledge Management 10 1004039 Knowledge Representation 2 0103205 Korea 39 0312036 Korean Language/Literature 4 0715298 Krabbe Disease 3 0103609 Kuwait 41 0140007 Kyoto Agreement 2 0104109 Kyrgyz Republic (Kyrgyzstan) 43 0408008 Labor Economics 8 0801020 Labor Law 11 0408028 Labor Market/Unemployment 17 0408030 Labor Market/Women and Minorities 8 0901052 Labor Relations 19 1014011 Laboratory Practice/Procedure 20 0775010 Lactation 2 1015600 Laminar Flow 0 0501037 Land Acquisition/Real Estate 8 0201038 Land Management 37 1007006 Land Pollution 9 0411013 Land Use Planning/Policy 44 1015605 Landing 2 1015610 Landing Aids 1 1015615 Landing Simulation 0 0307006 Landscape Architecture/Design 58 0606014 Landslides 2 0410001 Language Acquisition and Development 63 0312000 Language and/or Literature 336 0312013 Language and/or Literature, Biography 18 0312002 Language and/or Literature, Classical Greek 6 0312003 Language and/or Literature, Classical Latin 4 0312001 Language and/or Literature, Classical/Ancient 31 0312004 Language and/or Literature, Comparative Liter 11 0312005 Language and/or Literature, Drama 12 0312050 Language and/or Literature, Esperanto 1 0312006 Language and/or Literature, Fiction 88 0312007 Language and/or Literature, Medieval 4 0312008 Language and/or Literature, Modern 36 0312009 Language and/or Literature, Non-Fiction 51 0312010 Language and/or Literature, Poetry 124 0312011 Language and/or Literature, Renaissance 6 0312014 Language and/or Literature, Romantic 6 0312012 Language and/or Literature, Translation 27 0312015 Language and/or Literature, Victorian 2 0502021 Language Arts Education 18 0103405 Laos 6 1009090 Large Unit Cell Materials 0 1015620 Laser Interferometry 1 1013014 Lasers and Masers 45 0107000 Latin America 41 0309050 Latin American History 11 0312127 Latin American Languages/Literature 8 0104110 Latvia 34 1015625 Launch Vehicles 6 0800000 LAW 279 0418003 Law and Social Change 4 0801029 Law and Society 17 0801021 Law Enforcement 60 1240010 Layered/Superlattice Materials 0 1009163 Lead 14 0901024 Leadership 51 0417040 Leadership Development 99 0507005 Learning Disabled Education 19 0720010 Learning Disorders 15 0503018 Learning Motivation 21 0103610 Lebanon 9 0502022 Legal Education 25 0801061 Legal Procedure 10 0801035 Legal Profession, The 7 0801037 Legal Reform 12 0801065 Legal Services 31 0418005 Legal Systems 22 1260115 Legislation/Regulation, Energy 1 0715268 Leprosy 5 0101403 Lesotho 1 0715234 Leukemia 44 0101513 Liberia 1 1103024 Library Acquisitions 19 1004020 Library Automation 11 1103000 Library Science 204 1103022 Library Technology 39 0103611 Libya 3 0104506 Liechtenstein 1 1002189 Life Sciences 129 1015630 Life Support Systems 8 0505006 Lifelong Learning 16 0607100 Lighting Systems/Design 4 1002025 Limnology 7 1004046 Linear Programming 2 0409004 Linguistic Geography 0 0410000 Linguistics/Philology 184 0760040 Lipoproteins 3 1270173 Liquid Metal Reactor 0 0503019 Literacy 110 0305002 Literary Criticism 25 0312128 Literary History 20 0312129 Literature--Audience Development 12 0312130 Literature--Design/Production 26 0104111 Lithuania 34 0715321 Liver Cancer 3 0715231 Liver Disorders 49 0705080 Liver Functions 26 0201039 Livestock 33 0501036 Loans/Guarantees/Investments 9 1004052 Local Area Networks 9 0412024 Local Government 15 1010007 Logic 6 0901064 Logistics 14 0130005 Low Altitude Zones 0 0715151 Low Back Pain 4 1013015 Low Temperature Sciences 1 0715224 Lowe Syndrome 1 1015635 Lunar Atmosphere 0 1015640 Lunar Environment 1 1015645 Lunar Exploration 1 1015650 Lunar Probes 0 1015003 Lunar Sciences 2 1015655 Lunar Spacecraft 0 0715303 Lung Cancer 15 0715235 Lupus 11 0104406 Luxembourg 15 0715269 Lyme Borreliosis/Lyme Disease 4 0705045 Lymphatic System 15 0760042 Lymphocytes 9 0715316 Lymphoma 15 0104309 Macedonia 32 0609020 Machine Design 3 1004021 Machine Translation 1 0408009 Macroeconomics 18 0715327 Macular Degeneration 8 0101404 Madagascar 8 1245005 Magnetic Fusion Computation 2 1009095 Magnetic Materials 9 0706036 Magnetic Resonance Imaging (MRI) 13 1013016 Magnetics 24 1013087 Magnetics Laboratory Facilities 0 1210015 Magnetohydrodynamic Generators 1 0609021 Magnetohydrodynamics 4 1013053 Magnetospheric Phenomena 7 0101405 Malawi 9 0103406 Malaysia 19 0103506 Maldives 2 0101514 Mali 4 0715302 Malnutrition 5 0104310 Malta 2 1002026 Mammalogy 9 0730036 Managed Care 20 0901025 Management Information Systems 12 0901026 Management Sciences 97 0900000 MANAGEMENT/COMMERCE 23 0901035 Management/Commerce Planning/Policy 19 0901078 Management/Not-for-Profit Organizations 61 1015670 Maneuverable Spacecraft 1 1015665 Manned Spaceflight 0 1104004 Manpower Selection & Training 9 0901027 Manpower Studies 0 0609022 Manufacturing (Mechanical Engineering) 22 0609095 Manufacturing Engineering 69 0608011 Manufacturing Processes (Industrial Engineeri 34 0319002 Manuscripts/Books/Music Scores 28 0730075 Maori Health 0 0105604 Mariana Islands 3 1008105 Marine Aggregate Dynamics 1 1008000 Marine and Ocean Sciences 114 1008095 Marine Atmospheric Boundary Layers 2 1008100 Marine Atmospheric Chemistry 1 1008110 Marine Biodeterioration 2 1002178 Marine Biology 71 0609023 Marine Engineering 11 1008230 Marine Environment 73 1005008 Marine Geology 16 1008115 Marine Meteorology 4 1008231 Marine Sciences Planning/Policy 19 1008120 Marine Structures 1 1008232 Marine Technology 4 1002190 Marine Zoology 12 1008233 Maritime History 4 1008234 Maritime Industry 7 0801022 Maritime Law 0 0901028 Marketing 91 0201040 Marketing Agreements (Agriculture) 18 0901029 Marketing Research 6 1260120 Marketing/Economics, Energy 6 1015675 Mars Probes 1 0606062 Masonry Engineering 0 0405006 Mass Communication/Media 51 1003025 Mass Spectrometry 18 0605006 Mass Transfer 2 0609040 Mass Transfer Absorption 0 0401013 Material Culture 12 1220030 Materials Chemistry 9 0606015 Materials Engineering 32 0609050 Materials Joining 5 0610001 Materials Processing Engineering 15 0606017 Materials Recovery 2 1009000 Materials Sciences 173 0606019 Materials Testing 1 0606016 Materials, Engineering Properties 4 1240025 Materials, Physical Properties 2 1240030 Materials, Preparation/Fabrication 4 1240035 Materials, Radiation Effects 2 1240045 Materials, Structure and Phase 0 0750000 Materials/Products (Health/Safety/Medical) 16 1010008 Mathematical Foundations 0 0755065 Mathematical Modeling (Medical) 17 1013078 Mathematical Physics 8 1010000 Mathematics 306 0502023 Mathematics Education 112 1010042 Matrix Theory 2 1015680 Matter-Antimatter Propulsion 0 0101307 Mauritania 32 0101406 Mauritius 5 0203014 Meat and Meat Products 24 0202021 Meat Inspection 3 0609000 Mechanical Engineering 101 1009010 Mechanical Properties, Materials 9 0609024 Mechanical Systems 11 0609025 Mechanics 19 0705082 Mechanism of Action (Medical) 26 1009110 Mechanisms/Flow and Fracture 1 0313000 Media Arts 141 0405011 Media Management 13 0745082 Medical Counseling 10 0730071 Medical Decision-Making 60 0740083 Medical Devices 27 0609026 Medical Devices Engineering 9 0745020 Medical Diagnosis 119 0502024 Medical Education 297 0730067 Medical Errors 3 0783010 Medical Ethics 73 0785075 Medical Genetics 23 0409017 Medical Geography 20 0710138 Medical Informatics 48 0735015 Medical Instrumentation 52 0730069 Medical Outcomes 65 1270015 Medical Physics 2 1270020 Medical Physics, Dosimetry 2 1270030 Medical Physics, Radiation Calibration 0 1270025 Medical Physics, Radiation Standards 2 0417025 Medical Sociology 4 0745084 Medical Treatment 226 0706030 Medical/Diagnostic Imaging 71 0710080 Medicinal Chemistry 11 0309009 Medieval History 30 0309040 Medieval Studies 31 0745058 Meditation 0 0104311 Mediterranean 9 0110013 Mediterranean Sea 0 0106103 Melanesia 0 0715036 Melanoma 4 0710083 Membrane Electrochemistry 0 0790005 Membrane Structure/Function 7 1002079 Membrane Transport 4 0760044 Membranes 15 0730094 Men's Health 7 0715300 Meniere's Disease 2 0715297 Meningitis 6 0715126 Menopause 24 0715129 Mental Disorders 133 0730096 Mental Health Services 155 0715130 Mental Retardation 34 1002007 Metabolic Biology 26 0715135 Metabolic Diseases 46 0765020 Metabolism 65 0765022 Metabolism, Amino Acid 1 0765025 Metabolism, Lipid 7 0765030 Metabolism, Mineral 6 0765031 Metabolism, Nucleotide 1 0765032 Metabolism, Protein 1 1016105 Metal Ion Sensors 1 0606085 Metallurgical Engineering 10 1009011 Metallurgy 22 1009012 Metallurgy, Extractive and Process 8 1240015 Metals/Alloys 30 0785141 Metastasis 14 1001005 Meteorology 57 1265060 Methane 2 1265065 Methanol 1 0755000 Methodologies/Procedures (Health/Safety/Medic 70 0755066 Methods of Drug Delivery 1 0502025 Metric Education 0 0607018 Metrology 12 0105400 Mexico 42 1002103 Microbial Degradation 6 1002091 Microbial Processes 56 1002027 Microbiology 155 0408010 Microeconomics 17 0607010 Microelectronics 43 1015973 Microgravity/Reduced Gravity Experiments 5 0103206 Micronesia 5 1002095 Micronutrients 3 1004033 Microprocessors 2 1013039 Microscopy 13 1016110 Microwave Circuit Technology 8 0607011 Microwave Theory 8 0504004 Middle School Education 13 0103600 Middle/Near East 93 0785090 Midwifery 7 0715001 Migraine 4 0201041 Migrant Labor 2 0416022 Migrant Services 13 0413003 Migration 28 0201042 Migratory Animals and Birds 6 1015690 Military Aircraft 21 0309063 Military History 24 0801023 Military Law 0 1104003 Milit