| 1 | Political Science | 230 | 3.3K | 3 | 3 |
| 2 | Economic History | 147 | 3.0K | 7 | 7 |
| 3 | Europe | 189 | 2.7K | 11 | 13 |
| 4 | Science | 19 | 2.0K | 914 | 769 |
| 5 | Environmental Policy | 44 | 2.0K | 31 | 34 |
| 6 | Sociology | 52 | 1.9K | 19 | 25 |
| 7 | International Relations | 92 | 1.8K | 5 | 3 |
| 8 | Democracy | 62 | 1.6K | 1 | 1 |
| 9 | Democratization | 56 | 1.6K | 1 | 1 |
| 10 | Environment | 9 | 1.5K | 726 | 448 |
| 11 | peace | 44 | 1.4K | 3 | 5 |
| 12 | Social policy | 42 | 1.3K | 7 | 5 |
| 13 | international cooperation | 56 | 1.3K | 1 | 6 |
| 14 | Europa | 50 | 1.2K | 2 | 4 |
| 15 | Public Administration | 67 | 1.2K | 5 | 10 |
| 16 | economic policy | 56 | 1.2K | 19 | 19 |
| 17 | Sustainable Development | 26 | 1.2K | 14 | 32 |
| 18 | Psychology | 12 | 1.1K | 609 | 188 |
| 19 | European Union | 54 | 1.1K | 1 | 3 |
| 20 | Developing countries | 56 | 1.0K | 13 | 31 |
| 21 | Environmental Psychology | 1 | 914 | 24 | 1 |
| 22 | Economics | 53 | 873 | 53 | 100 |
| 23 | Elections | 43 | 841 | 3 | 4 |
| 24 | Political Participation | 28 | 836 | 3 | 4 |
| 25 | Scandinavia | 7 | 826 | 33 | 16 |
| 26 | Ecology | 15 | 773 | 1100 | 1184 |
| 26 | War and Society | 13 | 773 | 2 | 10 |
| 26 | warfare | 14 | 773 | 8 | 11 |
| 29 | Public Choice | 10 | 757 | 7 | 2 |
| 29 | Group decision making | 10 | 757 | 9 | 2 |
| 29 | Decision making | 10 | 757 | 50 | 17 |
| 32 | Economic Development | 23 | 734 | 17 | 40 |
| 33 | Public Policy | 22 | 722 | 35 | 38 |
| 34 | Social Sciences | 54 | 697 | 16 | 37 |
| 35 | Ethnic relations | 28 | 660 | 5 | 2 |
| 36 | election law | 25 | 654 | 3 | 4 |
| 36 | Voting | 25 | 654 | 3 | 4 |
| 38 | Corporate governance | 29 | 652 | 2 | 4 |
| 39 | Environmentalism | 16 | 589 | 1 | 3 |
| 40 | Regional Planning | 28 | 588 | 10 | 26 |
| 41 | Eastern Europe | 43 | 575 | 3 | 4 |
| 42 | race relations | 17 | 559 | 5 | 7 |
| 43 | Diplomatic relations | 67 | 549 | 4 | 5 |
| 44 | International security | 24 | 546 | 2 | 19 |
| 44 | conflict management | 24 | 546 | 2 | 5 |
| 46 | civil service | 26 | 540 | 5 | 12 |
| 47 | Energy Policy | 18 | 537 | 31 | 60 |
| 48 | Ethnic Conflict | 14 | 532 | 3 | 1 |
| 48 | forced migration | 14 | 532 | 3 | 1 |
| 50 | Environmental Management | 5 | 529 | 166 | 67 |
| 51 | Geopolitics | 26 | 519 | 1 | 1 |
| 52 | energy resources | 14 | 505 | 19 | 43 |
| 53 | European integration | 32 | 472 | 3 | 4 |
| 53 | European Economic Community | 32 | 472 | 3 | 4 |
| 55 | China | 32 | 464 | 36 | 61 |
| 55 | Economic Assistance | 22 | 464 | 6 | 16 |
| 57 | Political Sociology | 11 | 456 | 3 | 4 |
| 58 | International Finance | 13 | 428 | 35 | 21 |
| 59 | sustainability | 8 | 414 | 14 | 28 |
| 60 | Development | 12 | 404 | 15 | 23 |
| 61 | Physics | 2 | 401 | 2956 | 1629 |
| 62 | Political Psychology | 9 | 376 | 3 | 7 |
| 63 | Transport | 3 | 366 | 32 | 12 |
| 64 | Biology | 2 | 360 | 10984 | 3514 |
| 65 | environmental protection | 6 | 354 | 215 | 177 |
| 66 | Natural history | 1 | 351 | 1285 | 1147 |
| 67 | Renewable Energy Sources | 2 | 350 | 354 | 131 |
| 68 | energy development | 1 | 340 | 136 | 41 |
| 69 | United States | 16 | 332 | 380 | 425 |
| 70 | Global Health | 2 | 325 | 174 | 47 |
| 70 | Climate change | 2 | 325 | 1104 | 1067 |
| 72 | Political Geography | 8 | 314 | 4 | 3 |
| 73 | Federal government | 20 | 310 | 6 | 1 |
| 74 | Australia | 11 | 306 | 198 | 144 |
| 75 | world | 5 | 301 | 39 | 36 |
| 76 | Regionalism | 18 | 289 | 1 | 1 |
| 77 | Asia | 45 | 277 | 24 | 85 |
| 77 | Research | 15 | 277 | 720 | 1391 |
| 79 | Fisheries | 2 | 273 | 564 | 166 |
| 80 | Sea | 1 | 270 | 74 | 12 |
| 80 | Fishery resources | 1 | 270 | 77 | 13 |
| 82 | administrative agencies | 10 | 246 | 7 | 4 |
| 83 | local government | 14 | 245 | 7 | 13 |
| 84 | Environmental Health | 7 | 241 | 376 | 500 |
| 85 | city planning | 10 | 238 | 30 | 52 |
| 86 | Political Parties | 13 | 213 | 3 | 3 |
| 87 | Geography | 8 | 202 | 288 | 456 |
| 88 | Public Health | 15 | 198 | 394 | 1106 |
| 89 | management | 5 | 194 | 320 | 315 |
| 90 | terrorism | 12 | 190 | 2 | 5 |
| 91 | Nonprofit organizations | 11 | 186 | 4 | 4 |
| 92 | disarmament | 10 | 183 | 3 | 3 |
| 93 | global environmental change | 11 | 179 | 14 | 61 |
| 94 | Sovereignty | 5 | 176 | 1 | 1 |
| 95 | Ethics | 10 | 166 | 31 | 55 |
| 96 | Public opinion | 14 | 160 | 2 | 16 |
| 96 | violence | 8 | 160 | 32 | 84 |
| 98 | Africa | 14 | 158 | 39 | 47 |
| 99 | Human Rights | 5 | 157 | 36 | 22 |
| 100 | industrial relations | 13 | 156 | 7 | 22 |
| 101 | Medicine | 12 | 154 | 1379 | 5031 |
| 102 | human behavior | 2 | 152 | 440 | 399 |
| 103 | civil rights | 5 | 146 | 17 | 10 |
| 104 | Human Geography | 3 | 145 | 126 | 105 |
| 105 | Communism | 9 | 144 | 5 | 2 |
| 106 | Economic Geography | 1 | 138 | 135 | 35 |
| 106 | civil society | 5 | 138 | 3 | 3 |
| 108 | libraries | 2 | 135 | 32 | 18 |
| 109 | foreign policy | 11 | 129 | 4 | 13 |
| 110 | Jurisprudence | 9 | 126 | 73 | 91 |
| 111 | Gender identity | 3 | 125 | 11 | 5 |
| 111 | women | 3 | 125 | 34 | 23 |
| 113 | Feminist theory | 2 | 124 | 5 | 6 |
| 114 | Tourism | 2 | 122 | 112 | 122 |
| 115 | System analysis | 2 | 120 | 217 | 95 |
| 116 | ethnicity | 12 | 117 | 10 | 20 |
| 117 | behavioral medicine | 1 | 116 | 307 | 180 |
| 117 | Quantitative Research | 4 | 116 | 9 | 16 |
| 119 | Pollution | 10 | 115 | 523 | 2677 |
| 120 | Regional Economics | 2 | 113 | 48 | 17 |
| 121 | Securities | 5 | 112 | 6 | 10 |
| 122 | Communist countries | 7 | 109 | 6 | 5 |
| 123 | Government policy | 9 | 106 | 6 | 29 |
| 123 | Soviet Union | 6 | 106 | 40 | 21 |
| 125 | United Kingdom | 7 | 105 | 79 | 251 |
| 126 | Transportation | 3 | 103 | 74 | 90 |
| 126 | health planning | 4 | 103 | 337 | 374 |
| 128 | Systems Analysis | 1 | 102 | 110 | 45 |
| 129 | Nationalism | 8 | 101 | 3 | 6 |
| 130 | national security | 12 | 100 | 5 | 10 |
| 131 | Surface Chemistry | 3 | 97 | 476 | 447 |
| 132 | Transportation Engineering | 2 | 96 | 7 | 8 |
| 133 | regional security | 6 | 93 | 3 | 3 |
| 133 | nation-building | 3 | 93 | 3 | 2 |
| 133 | regional cooperation | 6 | 93 | 3 | 3 |
| 136 | Education | 17 | 92 | 127 | 532 |
| 137 | Colloids | 2 | 91 | 534 | 518 |
| 138 | Quality of life | 7 | 90 | 50 | 167 |
| 139 | Sexuality | 3 | 88 | 38 | 33 |
| 139 | sexual behavior | 3 | 88 | 63 | 73 |
| 141 | immigration | 1 | 86 | 6 | 18 |
| 141 | migration policy | 1 | 86 | 14 | 19 |
| 141 | Asylum seeker | 1 | 86 | 6 | 18 |
| 144 | emergency management | 2 | 85 | 62 | 43 |
| 145 | Biotechnology | 3 | 84 | 1889 | 2981 |
| 145 | Genetic engineering | 3 | 84 | 225 | 678 |
| 145 | Biochemical Engineering | 3 | 84 | 396 | 792 |
| 145 | Industrial Microbiology | 3 | 84 | 171 | 328 |
| 145 | arms control | 7 | 84 | 1 | 1 |
| 145 | Culture | 5 | 84 | 26 | 34 |
| 151 | Methodology | 8 | 83 | 9 | 19 |
| 151 | Behavior | 3 | 83 | 748 | 1128 |
| 153 | Land use | 4 | 82 | 121 | 313 |
| 154 | Engineering | 2 | 81 | 792 | 352 |
| 154 | Engineering Ethics | 1 | 81 | 26 | 15 |
| 154 | Professional ethics | 1 | 81 | 41 | 20 |
| 157 | Business Ethics | 2 | 79 | 30 | 59 |
| 157 | social science | 3 | 79 | 10 | 54 |
| 159 | Middle East | 4 | 76 | 31 | 23 |
| 160 | Cytology | 1 | 71 | 5693 | 4378 |
| 160 | Pharmacognosy | 1 | 71 | 237 | 172 |
| 160 | Cell Biology | 1 | 71 | 7435 | 6011 |
| 160 | Medicinal plants | 1 | 71 | 169 | 124 |
| 160 | Virology | 1 | 71 | 2225 | 2253 |
| 160 | environmental issues | 6 | 71 | 12 | 40 |
| 166 | Social History | 4 | 70 | 12 | 26 |
| 166 | educational planning | 3 | 70 | 27 | 38 |
| 168 | Consumer Protection | 2 | 67 | 23 | 27 |
| 168 | consumers | 2 | 67 | 29 | 37 |
| 168 | Customer Relations | 2 | 67 | 4 | 4 |
| 171 | Legislative Power | 8 | 66 | 1 | 3 |
| 171 | public opinion polls | 6 | 66 | 3 | 13 |
| 173 | forest policy | 2 | 65 | 22 | 19 |
| 173 | Agriculture | 4 | 65 | 480 | 1307 |
| 175 | Communication | 7 | 64 | 58 | 230 |
| 176 | Technology | 3 | 63 | 1345 | 2447 |
| 176 | Southeast Asia | 7 | 63 | 11 | 34 |
| 176 | United Nations | 6 | 63 | 1 | 3 |
| 179 | Health Policy | 5 | 61 | 351 | 1184 |
| 179 | Group Identity | 1 | 61 | 4 | 2 |
| 181 | Analytical Chemistry | 3 | 59 | 740 | 1020 |
| 182 | Latin America | 4 | 57 | 16 | 30 |
| 183 | Solar Energy | 1 | 56 | 195 | 133 |
| 183 | Mass Media | 3 | 56 | 25 | 33 |
| 183 | Applied Ethics | 2 | 56 | 4 | 1 |
| 183 | Agricultural systems | 1 | 56 | 30 | 34 |
| 187 | Environmental Economics | 3 | 55 | 17 | 44 |
| 188 | Philosophy | 5 | 52 | 237 | 226 |
| 189 | Public Health Administration | 1 | 48 | 77 | 36 |
| 189 | health services | 1 | 48 | 677 | 410 |
| 191 | Social Movements | 4 | 47 | 3 | 4 |
| 191 | War | 8 | 47 | 8 | 27 |
| 191 | Medical Anthropology | 4 | 47 | 153 | 467 |
| 191 | social conflict | 5 | 47 | 4 | 23 |
| 191 | Phytotherapy | 1 | 47 | 92 | 81 |
| 191 | civil war | 7 | 47 | 2 | 4 |
| 197 | Collective behavior | 3 | 46 | 3 | 4 |
| 197 | Citizenship | 1 | 46 | 10 | 8 |
| 199 | Pharmacology | 1 | 45 | 6865 | 6211 |
| 199 | Physiology | 1 | 45 | 5694 | 5192 |
| 199 | Development Economics | 6 | 45 | 18 | 121 |
| 202 | Health Education | 2 | 44 | 400 | 619 |
| 202 | Politics | 2 | 44 | 113 | 147 |
| 202 | medical education | 2 | 44 | 554 | 788 |
| 202 | government | 2 | 44 | 136 | 180 |
| 206 | North Africa | 2 | 42 | 24 | 3 |
| 207 | Clinical Psychology | 2 | 41 | 662 | 941 |
| 208 | Health Services Research | 4 | 40 | 254 | 798 |
| 208 | Molecular Genetics | 1 | 40 | 2091 | 2590 |
| 208 | Molecular evolution | 1 | 40 | 389 | 526 |
| 208 | Germany | 11 | 40 | 12 | 42 |
| 208 | Personality Assessment | 1 | 40 | 54 | 60 |
| 208 | biological evolution | 1 | 40 | 1146 | 1442 |
| 208 | Phylogeny | 1 | 40 | 141 | 183 |
| 215 | Globalization | 6 | 38 | 16 | 120 |
| 215 | Critical theory | 7 | 38 | 2 | 19 |
| 215 | Social Change | 6 | 38 | 17 | 165 |
| 215 | Oral communication | 1 | 38 | 32 | 21 |
| 219 | Research methodology | 3 | 37 | 6 | 14 |
| 219 | Eurasia | 3 | 37 | 11 | 17 |
| 221 | women's rights | 1 | 33 | 36 | 40 |
| 221 | Reproduction | 1 | 33 | 1682 | 1664 |
| 221 | Women's health | 1 | 33 | 288 | 310 |
| 224 | Herbal medicine | 1 | 32 | 67 | 121 |
| 225 | East Asia | 6 | 31 | 11 | 47 |
| 226 | Systems Theory | 2 | 30 | 47 | 95 |
| 227 | strategy | 2 | 29 | 14 | 15 |
| 228 | Energy Consumption | 2 | 28 | 9 | 26 |
| 228 | energy conservation | 2 | 28 | 552 | 1035 |
| 230 | Humanities | 7 | 27 | 62 | 314 |
| 230 | Organizational Sociology | 1 | 27 | 73 | 141 |
| 232 | Law | 8 | 26 | 101 | 244 |
| 232 | Human genetics | 2 | 26 | 461 | 1425 |
| 232 | Medical genetics | 2 | 26 | 3197 | 7684 |
| 232 | Semiotics | 1 | 26 | 14 | 7 |
| 232 | ethnic groups | 2 | 26 | 24 | 73 |
| 232 | Labor Movement | 6 | 26 | 2 | 12 |
| 238 | Social welfare | 3 | 24 | 160 | 606 |
| 238 | Japan | 3 | 24 | 279 | 628 |
| 240 | Public Relations | 3 | 23 | 51 | 186 |
| 240 | marketing | 4 | 23 | 74 | 356 |
| 240 | Social environment | 2 | 23 | 15 | 45 |
| 243 | Criminology | 5 | 22 | 97 | 468 |
| 243 | Environmental Ethics | 2 | 22 | 27 | 61 |
| 243 | insurgency | 3 | 22 | 1 | 5 |
| 243 | Computational Complexity | 2 | 22 | 48 | 73 |
| 247 | Data Mining | 2 | 21 | 157 | 527 |
| 247 | Ideology | 1 | 21 | 3 | 3 |
| 247 | Technological Innovations | 1 | 21 | 1229 | 1855 |
| 247 | Qualitative Research | 1 | 21 | 67 | 117 |
| 247 | irrigation | 1 | 21 | 122 | 119 |
| 247 | drainage | 1 | 21 | 115 | 105 |
| 253 | Geriatrics | 4 | 20 | 1107 | 4628 |
| 253 | Land Use Planning | 1 | 20 | 29 | 57 |
| 253 | Algorithms | 1 | 20 | 46 | 58 |
| 253 | Ethnology | 6 | 20 | 72 | 362 |
| 253 | curriculum evaluation | 2 | 20 | 19 | 42 |
| 253 | values | 1 | 20 | 11 | 8 |
| 253 | economic development projects | 2 | 20 | 36 | 135 |
| 260 | Statistics | 5 | 19 | 648 | 2000 |
| 260 | Welfare Economics | 2 | 19 | 42 | 118 |
| 260 | Environmental Chemistry | 1 | 19 | 1175 | 1665 |
| 260 | income distribution | 2 | 19 | 9 | 29 |
| 260 | Environmental monitoring | 1 | 19 | 1151 | 1767 |
| 260 | greenhouse effect | 1 | 19 | 3 | 9 |
| 260 | Carbon | 1 | 19 | 204 | 371 |
| 260 | Carbon dioxide | 1 | 19 | 3 | 9 |
| 260 | Climate | 1 | 19 | 62 | 108 |
| 269 | Maritime Law | 2 | 18 | 13 | 22 |
| 269 | Urban Policy | 1 | 18 | 73 | 124 |
| 269 | Rural Development | 1 | 18 | 102 | 205 |
| 269 | Marine Conservation | 2 | 18 | 12 | 20 |
| 269 | Law of the Sea | 2 | 18 | 12 | 20 |
| 269 | Biological Systems | 1 | 18 | 91 | 155 |
| 269 | Urbanization | 1 | 18 | 22 | 47 |
| 269 | Social Systems | 2 | 18 | 8 | 20 |
| 269 | Arab-Israeli Conflict | 2 | 18 | 10 | 34 |
| 269 | Social problems | 4 | 18 | 22 | 229 |
| 279 | Epidemiology | 2 | 17 | 1275 | 3011 |
| 279 | Therapeutics | 2 | 17 | 1167 | 4047 |
| 279 | rehabilitation | 2 | 17 | 288 | 915 |
| 279 | Aggression | 1 | 17 | 262 | 439 |
| 283 | Organizational Behavior | 1 | 16 | 37 | 77 |
| 283 | Metallurgy | 1 | 16 | 776 | 910 |
| 283 | Materials | 1 | 16 | 7264 | 11410 |
| 283 | commerce | 3 | 16 | 110 | 447 |
| 283 | Metals | 1 | 16 | 701 | 884 |
| 283 | Trust | 1 | 16 | 1 | 6 |
| 289 | Behavioral research | 1 | 15 | 75 | 130 |
| 289 | Child welfare | 1 | 15 | 278 | 409 |
| 289 | Child Development | 1 | 15 | 1296 | 1910 |
| 289 | Trademarks | 2 | 15 | 17 | 25 |
| 289 | Prisons | 1 | 15 | 86 | 95 |
| 289 | identification | 1 | 15 | 5 | 7 |
| 289 | Criminal investigation | 1 | 15 | 20 | 40 |
| 289 | Ireland | 3 | 15 | 16 | 21 |
| 297 | Ecosystem management | 1 | 14 | 75 | 120 |
| 297 | Electrochemistry | 2 | 14 | 1458 | 2981 |
| 297 | Adolescent Psychology | 1 | 14 | 820 | 1437 |
| 297 | Primary health care | 2 | 14 | 406 | 1185 |
| 297 | Child psychology | 1 | 14 | 1451 | 2501 |
| 297 | France | 2 | 14 | 7 | 23 |
| 297 | Earth Sciences | 1 | 14 | 1038 | 1523 |
| 304 | Genetics | 1 | 13 | 2297 | 4104 |
| 304 | Health Services Administration | 2 | 13 | 455 | 1670 |
| 304 | Social Psychology | 4 | 13 | 491 | 2117 |
| 304 | Plant breeding | 1 | 13 | 327 | 506 |
| 304 | Communication in politics | 1 | 13 | 37 | 53 |
| 304 | heredity | 1 | 13 | 556 | 965 |
| 304 | Youth | 1 | 13 | 95 | 174 |
| 304 | Breeding | 1 | 13 | 517 | 793 |
| 312 | Intercultural Communication | 1 | 12 | 24 | 51 |
| 312 | Research Design | 1 | 12 | 402 | 847 |
| 312 | Cross-Cultural Studies | 1 | 12 | 81 | 163 |
| 312 | Crisis management | 2 | 12 | 33 | 173 |
| 312 | Entrepreneurship | 1 | 12 | 80 | 259 |
| 317 | Biochemistry | 1 | 11 | 11293 | 16890 |
| 317 | Mathematics | 1 | 11 | 4872 | 4528 |
| 317 | Hydrology | 1 | 11 | 2444 | 4390 |
| 317 | Industrial Ecology | 1 | 11 | 194 | 591 |
| 317 | Technology Assessment | 1 | 11 | 23 | 60 |
| 317 | Bioethics | 1 | 11 | 365 | 559 |
| 317 | soil microbiology | 1 | 11 | 207 | 431 |
| 317 | Soil biology | 1 | 11 | 98 | 217 |
| 317 | data collection | 1 | 11 | 175 | 330 |
| 317 | Social behavior | 3 | 11 | 144 | 871 |
| 317 | planning | 1 | 11 | 432 | 752 |
| 328 | Structuralism | 2 | 10 | 10 | 43 |
| 328 | Industrial Sociology | 1 | 10 | 19 | 58 |
| 328 | Social Networks | 2 | 10 | 13 | 51 |
| 328 | housing policy | 1 | 10 | 8 | 19 |
| 328 | Forecasting | 3 | 10 | 68 | 412 |
| 328 | Access to Information | 1 | 10 | 15 | 41 |
| 328 | big data | 1 | 10 | 35 | 83 |
| 328 | Housing | 1 | 10 | 38 | 84 |
| 328 | disaster relief | 2 | 10 | 41 | 357 |
| 328 | evaluation | 1 | 10 | 27 | 46 |
| 328 | Information dissemination | 1 | 10 | 15 | 41 |
| 328 | Aging | 2 | 10 | 669 | 1918 |
| 340 | Neurology | 1 | 9 | 6364 | 11451 |
| 340 | Conservation Biology | 1 | 9 | 775 | 1762 |
| 340 | Educational Research | 2 | 9 | 4 | 22 |
| 340 | Economic Integration | 2 | 9 | 10 | 15 |
| 340 | society | 2 | 9 | 11 | 34 |
| 345 | Chemistry | 1 | 8 | 12670 | 18616 |
| 345 | Criminal Law | 1 | 8 | 67 | 96 |
| 345 | Electronics | 1 | 8 | 1226 | 1424 |
| 345 | Geochemistry | 1 | 8 | 981 | 1994 |
| 345 | economic forecasting | 1 | 8 | 40 | 82 |
| 345 | Consciousness | 1 | 8 | 41 | 92 |
| 345 | Cognition | 1 | 8 | 899 | 1614 |
| 352 | Chemical Engineering | 1 | 7 | 3525 | 6134 |
| 352 | Happiness | 1 | 7 | 50 | 100 |
| 352 | land tenure | 1 | 7 | 36 | 139 |
| 352 | Land reform | 1 | 7 | 36 | 139 |
| 352 | Chemical industry | 1 | 7 | 892 | 1819 |
| 352 | population geography | 1 | 7 | 229 | 501 |
| 352 | Investments | 1 | 7 | 115 | 230 |
| 359 | Gender Studies | 2 | 6 | 29 | 162 |
| 359 | Vocational Education | 1 | 6 | 338 | 683 |
| 359 | Probability | 2 | 6 | 176 | 1117 |
| 359 | Risk Management | 2 | 6 | 238 | 1547 |
| 359 | Feminism | 2 | 6 | 29 | 220 |
| 359 | Electrochemical Analysis | 1 | 6 | 632 | 1410 |
| 359 | Financial management | 2 | 6 | 183 | 1208 |
| 359 | Risk | 2 | 6 | 188 | 1208 |
| 359 | Military readiness | 4 | 6 | 5 | 22 |
| 359 | refugees | 2 | 6 | 36 | 115 |
| 359 | technical education | 1 | 6 | 50 | 96 |
| 370 | genre | 2 | 5 | 9 | 41 |
| 370 | Entropy | 2 | 5 | 56 | 192 |
| 370 | India | 1 | 5 | 240 | 309 |
| 370 | hygiene | 1 | 5 | 95 | 183 |
| 374 | Agricultural Engineering | 2 | 4 | 25 | 82 |
| 374 | poverty | 1 | 4 | 73 | 196 |
| 374 | space warfare | 1 | 4 | 3 | 8 |
| 374 | crime | 1 | 4 | 245 | 506 |
| 378 | Nutrition | 1 | 3 | 3441 | 7918 |
| 378 | Multicultural Education | 5 | 3 | 7 | 89 |
| 378 | Identity Politics | 1 | 3 | 1 | 1 |
| 378 | Religion | 1 | 3 | 268 | 623 |
| 378 | Electrophoresis | 1 | 3 | 1963 | 4532 |
| 378 | Social Security | 1 | 3 | 12 | 33 |
| 378 | Chromatography | 1 | 3 | 1195 | 2771 |
| 378 | Sports | 1 | 3 | 1261 | 3149 |
| 378 | Health promotion | 1 | 3 | 470 | 1103 |
| 378 | Diet | 1 | 3 | 745 | 1923 |
| 378 | Islam | 1 | 3 | 46 | 76 |
| 378 | cultural pluralism | 1 | 3 | 108 | 260 |
| 378 | Post-traumatic stress disorder | 1 | 3 | 637 | 1395 |
| 378 | Chromatographic analysis | 1 | 3 | 1614 | 3628 |
| 392 | Psychiatry | 1 | 2 | 3737 | 7849 |
| 392 | Toxicology | 1 | 2 | 3659 | 8770 |
| 392 | Tribology | 1 | 2 | 292 | 684 |
| 392 | Remote Sensing | 1 | 2 | 169 | 358 |
| 392 | Photogrammetry | 1 | 2 | 118 | 243 |
| 392 | Transnationalism | 1 | 2 | 2 | 6 |
| 392 | Toxins | 1 | 2 | 111 | 239 |
| 399 | Anthropology | 1 | 1 | 715 | 1621 |
| 399 | Cognitive Psychology | 1 | 1 | 26 | 79 |
| 399 | Nuclear Energy | 1 | 1 | 260 | 522 |
| 399 | Community Psychology | 1 | 1 | 659 | 1797 |
| 399 | Mythology | 1 | 1 | 1 | 2 |
| 399 | Educational Psychology | 1 | 1 | 737 | 1809 |
| 399 | Social Ethics | 1 | 1 | 85 | 257 |
| 399 | Political Ethics | 1 | 1 | 12 | 48 |
| 399 | Social participation | 1 | 1 | 2 | 6 |
| 399 | sexual orientation | 1 | 1 | 17 | 53 |
| 399 | Religion and Sociology | 1 | 1 | 19 | 49 |
| 399 | Nuclear disarmament | 1 | 1 | 2 | 7 |
| 399 | Teaching | 1 | 1 | 785 | 1869 |
| 399 | Family | 1 | 1 | 468 | 1313 |
| 399 | organizational effectiveness | 1 | 1 | 44 | 135 |
| 399 | families | 1 | 1 | 422 | 1248 |
| 399 | environmental pollution | 1 | 1 | 1903 | 4877 |
| 399 | Social interaction | 1 | 1 | 14 | 45 |
| 399 | corporate culture | 1 | 1 | 11 | 31 |
| 399 | human development | 1 | 1 | 558 | 1440 |
| 399 | Nuclear family | 1 | 1 | 16 | 45 |
| 399 | Maps | 1 | 1 | 11 | 35 |
| 399 | public assistance | 1 | 1 | 10 | 24 |
| 422 | Literature | 1 | 0 | 50 | 116 |
| 422 | History | 1 | 0 | 246 | 496 |
| 422 | Constitutional Law | 2 | 0 | 29 | 106 |
| 422 | International Law | 2 | 0 | 104 | 319 |
| 422 | Mathematical Physics | 1 | 0 | 880 | 1757 |
| 422 | Critical thinking | 1 | 0 | 3 | 14 |
| 422 | mediation | 1 | 0 | 40 | 199 |
| 422 | Well-being | 1 | 0 | 109 | 504 |
| 422 | Diffusion of innovations | 1 | 0 | 10 | 37 |
| 422 | Gerontology | 1 | 0 | 793 | 2036 |
| 422 | philology | 1 | 0 | 57 | 91 |
| 422 | genocide | 1 | 0 | 5 | 8 |
| 422 | civilization | 1 | 0 | 89 | 184 |
| 422 | Elderly | 1 | 0 | 306 | 466 |
| 422 | Foreign relations | 1 | 0 | 10 | 35 |
| 422 | constitutional courts | 1 | 0 | 39 | 86 |
| 422 | older people | 1 | 0 | 430 | 834 |
| 422 | labor | 1 | 0 | 53 | 177 |
| 422 | Criticism | 1 | 0 | 22 | 67 |
| 422 | prejudices | 1 | 0 | 6 | 16 |
| 422 | Anti-Semitism | 1 | 0 | 4 | 9 |
| 422 | Ukraine | 1 | 0 | 100 | 103 |
| 422 | Work | 1 | 0 | 21 | 76 |
| 422 | working class | 1 | 0 | 39 | 140 |
| 422 | Israel | 1 | 0 | 47 | 137 |
| 422 | Jews | 2 | 0 | 15 | 76 |
| 422 | discrimination | 1 | 0 | 4 | 9 |