| 1 | Economics | 147 | 8.6K | 573 | 259 |
| 2 | Psychology | 165 | 7.7K | 589 | 454 |
| 3 | Biology | 126 | 7.6K | 2062 | 2297 |
| 4 | Astronomy | 152 | 5.6K | 654 | 752 |
| 5 | Physics | 83 | 5.4K | 2882 | 2882 |
| 6 | Science | 104 | 5.4K | 2568 | 2903 |
| 7 | Astrophysics | 101 | 5.1K | 908 | 933 |
| 8 | Ecology | 45 | 4.5K | 2127 | 1370 |
| 9 | Psychophysiology | 118 | 3.7K | 440 | 565 |
| 10 | Education | 45 | 3.6K | 1020 | 330 |
| 11 | Social Psychology | 58 | 3.6K | 422 | 334 |
| 12 | Chemistry | 51 | 3.2K | 3687 | 2861 |
| 13 | Spectrum analysis | 60 | 3.2K | 1265 | 1045 |
| 14 | personality | 23 | 3.1K | 527 | 243 |
| 15 | Perception | 84 | 3.0K | 297 | 267 |
| 16 | United States | 63 | 3.0K | 1197 | 777 |
| 17 | Cognition | 45 | 2.8K | 400 | 294 |
| 18 | Nuclear Physics | 61 | 2.7K | 1548 | 1186 |
| 19 | Developmental Biology | 50 | 2.6K | 538 | 605 |
| 20 | Quantum Gravity | 40 | 2.5K | 880 | 625 |
| 21 | biological evolution | 20 | 2.4K | 926 | 599 |
| 22 | Evolution | 15 | 2.2K | 983 | 516 |
| 23 | Behavior | 51 | 2.0K | 783 | 855 |
| 24 | Communication | 7 | 1.9K | 1547 | 243 |
| 25 | Cell Biology | 33 | 1.9K | 1748 | 1874 |
| 26 | Medicine | 62 | 1.9K | 3532 | 3985 |
| 27 | Statistical physics | 39 | 1.8K | 1380 | 933 |
| 28 | Genetics | 15 | 1.8K | 2492 | 1577 |
| 29 | Natural history | 26 | 1.7K | 1703 | 3176 |
| 30 | Tourism | 1 | 1.7K | 2766 | 313 |
| 30 | Transportation | 1 | 1.7K | 2964 | 297 |
| 30 | population geography | 1 | 1.7K | 823 | 9 |
| 33 | Molecular Biology | 29 | 1.7K | 3995 | 3435 |
| 34 | Biochemistry | 58 | 1.7K | 3286 | 3483 |
| 35 | Nonlinear Dynamics | 24 | 1.6K | 942 | 537 |
| 36 | Research | 44 | 1.5K | 3463 | 3325 |
| 37 | cell physiology | 24 | 1.5K | 548 | 548 |
| 38 | Developing countries | 33 | 1.4K | 553 | 403 |
| 39 | Economic History | 41 | 1.4K | 995 | 551 |
| 40 | Comparative Physiology | 26 | 1.3K | 209 | 127 |
| 41 | Economic Development | 19 | 1.2K | 637 | 450 |
| 42 | Botany | 20 | 1.2K | 2069 | 1568 |
| 43 | Statistics | 11 | 1.2K | 1762 | 627 |
| 44 | Animal Behavior | 33 | 1.1K | 581 | 711 |
| 45 | Memory | 18 | 1.1K | 954 | 653 |
| 46 | Biophysics | 37 | 1.1K | 2447 | 2411 |
| 47 | Organic Chemistry | 27 | 1.1K | 1406 | 1147 |
| 48 | Experimental Psychology | 8 | 1.0K | 357 | 144 |
| 49 | Neurons | 3 | 1.0K | 894 | 712 |
| 50 | human behavior | 31 | 999 | 757 | 1100 |
| 51 | Cytology | 17 | 977 | 2630 | 2532 |
| 52 | Educational Psychology | 6 | 909 | 1114 | 416 |
| 53 | Child | 13 | 873 | 1533 | 777 |
| 54 | Psycholinguistics | 15 | 777 | 420 | 336 |
| 55 | Microbiology | 9 | 767 | 5324 | 3869 |
| 56 | Political Science | 32 | 755 | 552 | 434 |
| 57 | Cerebral cortex | 1 | 736 | 1680 | 459 |
| 58 | Ethology | 18 | 712 | 675 | 827 |
| 59 | Performance | 11 | 698 | 109 | 67 |
| 60 | children | 10 | 692 | 256 | 160 |
| 61 | world | 14 | 682 | 285 | 326 |
| 62 | Social Sciences | 44 | 667 | 839 | 880 |
| 63 | Sociology | 21 | 649 | 1193 | 1084 |
| 64 | Economic Assistance | 10 | 643 | 349 | 283 |
| 65 | Mathematics | 85 | 640 | 1552 | 1941 |
| 66 | nucleic acids | 7 | 639 | 1518 | 1222 |
| 67 | Development | 9 | 638 | 453 | 321 |
| 68 | Linguistics | 30 | 633 | 424 | 348 |
| 69 | Adolescent | 10 | 611 | 1462 | 793 |
| 70 | Nanotechnology | 17 | 577 | 2838 | 2926 |
| 71 | Anatomy | 15 | 575 | 1089 | 1005 |
| 72 | Artificial Intelligence | 18 | 565 | 1817 | 1569 |
| 73 | Economic Thought | 6 | 558 | 194 | 159 |
| 73 | economic conditions | 6 | 558 | 456 | 178 |
| 75 | Nuclear Chemistry | 2 | 556 | 1649 | 261 |
| 76 | Microbial Ecology | 3 | 555 | 2801 | 1567 |
| 77 | Learning | 18 | 554 | 550 | 588 |
| 78 | Child Development | 12 | 550 | 1195 | 985 |
| 79 | Optics | 24 | 547 | 2315 | 1860 |
| 80 | Food | 9 | 544 | 2264 | 1540 |
| 81 | adolescence | 8 | 534 | 604 | 404 |
| 82 | feeding behavior | 3 | 493 | 926 | 325 |
| 82 | Appetite | 3 | 493 | 814 | 278 |
| 84 | Child psychology | 16 | 486 | 733 | 903 |
| 85 | Physiology | 20 | 478 | 2259 | 2660 |
| 86 | Social behavior | 15 | 477 | 504 | 580 |
| 87 | Systems Biology | 1 | 474 | 3266 | 672 |
| 88 | economic policy | 18 | 435 | 1095 | 782 |
| 89 | Philosophy | 44 | 432 | 435 | 334 |
| 90 | Endocrinology | 20 | 431 | 1668 | 2387 |
| 90 | Birds | 25 | 431 | 423 | 431 |
| 92 | Zoology | 22 | 429 | 1157 | 1145 |
| 93 | Physical Chemistry | 14 | 424 | 1293 | 1312 |
| 94 | International Finance | 10 | 423 | 953 | 685 |
| 95 | Neuropsychology | 14 | 412 | 1332 | 1383 |
| 96 | Molecular evolution | 6 | 410 | 1496 | 1052 |
| 97 | behavioral medicine | 4 | 408 | 1443 | 825 |
| 97 | Positive Psychology | 4 | 408 | 114 | 77 |
| 99 | Industrial Policy | 5 | 395 | 388 | 184 |
| 100 | Growth | 8 | 390 | 918 | 1077 |
| 101 | Ornithology | 22 | 378 | 345 | 365 |
| 101 | Teaching | 15 | 378 | 770 | 652 |
| 103 | Meteorology | 4 | 374 | 2528 | 1768 |
| 103 | Industrial Organization | 4 | 374 | 285 | 105 |
| 105 | Attention | 12 | 359 | 1144 | 1182 |
| 106 | Embryology | 11 | 358 | 1084 | 1348 |
| 107 | Human-Computer Interaction | 5 | 354 | 1340 | 656 |
| 108 | International Relations | 14 | 352 | 558 | 360 |
| 108 | Adolescent Psychology | 7 | 352 | 616 | 487 |
| 110 | Genomics | 5 | 348 | 3404 | 2442 |
| 111 | Liquid Crystals | 14 | 332 | 433 | 204 |
| 112 | optical instruments | 10 | 331 | 228 | 211 |
| 113 | Neurology | 10 | 328 | 4158 | 4290 |
| 114 | Public Policy | 4 | 327 | 1930 | 1007 |
| 115 | Membranes | 3 | 317 | 2122 | 1416 |
| 116 | Pharmaceutical Chemistry | 9 | 309 | 3076 | 2995 |
| 117 | Geophysics | 7 | 290 | 3059 | 2587 |
| 118 | Neurophysiology | 16 | 289 | 1700 | 2479 |
| 119 | Public Health | 14 | 287 | 3685 | 4456 |
| 120 | Psychiatry | 22 | 282 | 2214 | 3468 |
| 121 | Ethnology | 20 | 271 | 510 | 588 |
| 121 | Colloids | 14 | 271 | 2223 | 2869 |
| 123 | Brain | 12 | 270 | 1800 | 2191 |
| 124 | Happiness | 1 | 267 | 944 | 187 |
| 124 | Quality of life | 1 | 267 | 3137 | 1087 |
| 126 | Clinical Psychology | 10 | 266 | 942 | 1270 |
| 127 | Social policy | 3 | 263 | 1198 | 423 |
| 127 | Visual Perception | 13 | 263 | 1044 | 1361 |
| 129 | Nervous system | 5 | 260 | 2558 | 2313 |
| 130 | Computational Biology | 10 | 258 | 2014 | 2211 |
| 131 | drug abuse | 2 | 234 | 1036 | 364 |
| 131 | harm reduction | 2 | 234 | 331 | 86 |
| 133 | Environmental monitoring | 5 | 233 | 3808 | 3482 |
| 134 | Plants | 2 | 223 | 2959 | 1820 |
| 135 | Computer Graphics | 4 | 220 | 1678 | 1037 |
| 136 | Robotics | 3 | 219 | 1927 | 1079 |
| 137 | psychophysics | 6 | 216 | 238 | 136 |
| 138 | Nutrition | 1 | 210 | 7901 | 3939 |
| 138 | Enteral nutrition | 1 | 210 | 1931 | 877 |
| 138 | Parenteral nutrition | 1 | 210 | 2252 | 1061 |
| 141 | Anthropology | 22 | 198 | 630 | 919 |
| 142 | Social problems | 4 | 197 | 572 | 462 |
| 143 | Developed countries | 14 | 195 | 25 | 144 |
| 144 | Public Administration | 2 | 194 | 2077 | 761 |
| 145 | Student Health Services | 5 | 191 | 222 | 168 |
| 146 | Climatology | 2 | 190 | 2506 | 1550 |
| 147 | Information Theory | 10 | 189 | 689 | 773 |
| 148 | nanoscience | 3 | 186 | 3426 | 2785 |
| 149 | Soft Condensed Matter | 12 | 183 | 602 | 894 |
| 150 | isomerism | 1 | 182 | 756 | 154 |
| 150 | Chirality | 1 | 182 | 756 | 154 |
| 152 | Environment | 6 | 178 | 4698 | 6198 |
| 153 | Planets | 4 | 173 | 1635 | 1698 |
| 154 | Polymers | 11 | 171 | 3197 | 3708 |
| 154 | biopolymers | 11 | 171 | 695 | 1025 |
| 156 | Family | 3 | 165 | 1168 | 702 |
| 157 | behavior therapy | 6 | 164 | 680 | 729 |
| 158 | Earth Sciences | 4 | 161 | 3442 | 2715 |
| 159 | Developmental Genetics | 3 | 157 | 701 | 855 |
| 159 | Comparative Psychology | 1 | 157 | 303 | 155 |
| 159 | Neural circuitry | 3 | 157 | 2268 | 1759 |
| 159 | Animal welfare | 1 | 157 | 757 | 243 |
| 163 | Youth | 4 | 155 | 637 | 609 |
| 164 | Cognitive Science | 11 | 154 | 787 | 1431 |
| 164 | Cell differentiation | 5 | 154 | 1767 | 2295 |
| 166 | Family Therapy | 2 | 152 | 1080 | 489 |
| 167 | Statistical Mechanics | 2 | 149 | 1732 | 622 |
| 168 | Animal ecology | 7 | 148 | 905 | 1067 |
| 169 | Virtual reality | 3 | 147 | 404 | 243 |
| 170 | Toxicology | 7 | 145 | 4226 | 5017 |
| 170 | Oceanography | 3 | 145 | 2156 | 1725 |
| 172 | protein | 4 | 144 | 1384 | 1232 |
| 172 | language | 10 | 144 | 399 | 658 |
| 172 | proteins | 4 | 144 | 2402 | 2124 |
| 175 | Microeconomics | 2 | 143 | 491 | 294 |
| 175 | Chromosomes | 3 | 143 | 1249 | 1109 |
| 175 | United Kingdom | 10 | 143 | 1074 | 1837 |
| 178 | Intelligence | 5 | 139 | 191 | 243 |
| 179 | Economic Theory | 1 | 137 | 219 | 71 |
| 179 | Fluid Mechanics | 2 | 137 | 2388 | 1371 |
| 179 | Labor Economics | 2 | 137 | 714 | 411 |
| 182 | Cytogenetics | 4 | 136 | 1804 | 2149 |
| 182 | counseling | 2 | 136 | 2049 | 1157 |
| 182 | Molecular structure | 3 | 136 | 3047 | 2303 |
| 185 | Bioinformatics | 4 | 135 | 2319 | 2265 |
| 186 | Pediatrics | 2 | 134 | 4072 | 3147 |
| 186 | Marriage | 1 | 134 | 1089 | 395 |
| 186 | Marriage counseling | 1 | 134 | 675 | 289 |
| 186 | Biodiversity | 3 | 134 | 2799 | 2340 |
| 190 | Gene expression regulation | 2 | 133 | 1618 | 1198 |
| 190 | Genetic regulation | 2 | 133 | 1834 | 1579 |
| 192 | labor | 1 | 132 | 799 | 227 |
| 192 | working class | 1 | 132 | 467 | 217 |
| 194 | peace | 8 | 130 | 272 | 443 |
| 195 | Neurobiology | 4 | 129 | 1999 | 2331 |
| 195 | Magnetohydrodynamics | 1 | 129 | 514 | 260 |
| 195 | Medical Anthropology | 4 | 129 | 1384 | 1683 |
| 198 | warfare | 3 | 126 | 319 | 324 |
| 198 | Entomology | 9 | 126 | 1753 | 1840 |
| 200 | Biotechnology | 1 | 124 | 10153 | 6905 |
| 200 | Bioengineering | 1 | 124 | 7590 | 5183 |
| 200 | Plant Ecology | 3 | 124 | 2058 | 2056 |
| 200 | Microelectronics | 1 | 124 | 3117 | 1943 |
| 200 | miniaturization | 1 | 124 | 3353 | 2247 |
| 205 | Cybernetics | 3 | 122 | 1589 | 1176 |
| 206 | Morphology | 4 | 121 | 856 | 631 |
| 207 | sexual behavior | 9 | 120 | 368 | 700 |
| 207 | Agriculture | 7 | 120 | 1857 | 2284 |
| 209 | War and Society | 2 | 119 | 303 | 266 |
| 209 | international cooperation | 2 | 119 | 905 | 602 |
| 211 | Nanostructured Materials | 3 | 118 | 3575 | 3237 |
| 212 | Landscape Ecology | 2 | 117 | 707 | 578 |
| 212 | organization | 1 | 117 | 1423 | 851 |
| 214 | Medical genetics | 3 | 116 | 3554 | 3873 |
| 215 | human development | 7 | 115 | 536 | 862 |
| 216 | Genetic Toxicology | 1 | 113 | 1075 | 675 |
| 216 | Nuclear non-proliferation | 2 | 113 | 86 | 106 |
| 216 | International security | 2 | 113 | 313 | 286 |
| 216 | Speech | 13 | 113 | 406 | 936 |
| 220 | Ophthalmology | 4 | 110 | 1973 | 2032 |
| 220 | Vision | 4 | 110 | 689 | 803 |
| 222 | Chromosome mapping | 1 | 109 | 3750 | 2589 |
| 222 | gene mapping | 1 | 109 | 4046 | 2916 |
| 224 | Land use | 1 | 107 | 2175 | 1302 |
| 224 | Feminism | 9 | 107 | 297 | 366 |
| 224 | Feminist psychology | 9 | 107 | 24 | 72 |
| 227 | Mental Disorders | 5 | 106 | 3183 | 3805 |
| 228 | Bilingual Education | 1 | 105 | 135 | 52 |
| 229 | Developmental Disabilities | 1 | 104 | 1939 | 1322 |
| 229 | Scandinavia | 1 | 104 | 1336 | 563 |
| 231 | Eating Disorders | 2 | 103 | 1293 | 1016 |
| 231 | Feeding and Eating Disorders | 2 | 103 | 1237 | 984 |
| 233 | Mathematical Physics | 9 | 102 | 2188 | 2294 |
| 234 | Developmental Psychology | 8 | 101 | 720 | 1254 |
| 234 | psychotherapy | 6 | 101 | 1148 | 1500 |
| 236 | Surface Chemistry | 3 | 100 | 4281 | 4092 |
| 236 | Virology | 2 | 100 | 4544 | 4532 |
| 236 | Anxiety Disorders | 2 | 100 | 809 | 890 |
| 236 | Anxiety | 2 | 100 | 811 | 887 |
| 240 | foreign exchange | 4 | 97 | 319 | 434 |
| 241 | Historical Linguistics | 3 | 96 | 84 | 32 |
| 241 | Mycology | 4 | 96 | 1781 | 1904 |
| 243 | Sociolinguistics | 6 | 93 | 308 | 357 |
| 243 | environmental pollution | 3 | 93 | 5270 | 5620 |
| 243 | Social interaction | 2 | 93 | 431 | 326 |
| 246 | Pollution | 4 | 92 | 5735 | 6823 |
| 247 | Socialization | 2 | 89 | 711 | 696 |
| 248 | Atmospheric Chemistry | 1 | 88 | 1631 | 1403 |
| 248 | Atmospheric Physics | 1 | 88 | 2783 | 1998 |
| 250 | Gerontology | 5 | 87 | 1951 | 2001 |
| 250 | Aging | 5 | 87 | 2964 | 3397 |
| 252 | Geology | 2 | 86 | 4092 | 3112 |
| 253 | Geochemistry | 1 | 85 | 3416 | 2457 |
| 253 | viral genetics | 1 | 85 | 664 | 811 |
| 253 | Meteorites | 1 | 85 | 1579 | 1373 |
| 256 | Histology | 3 | 84 | 2392 | 2557 |
| 256 | Metaphor | 2 | 84 | 29 | 27 |
| 256 | Biogeochemistry | 2 | 84 | 1581 | 1659 |
| 256 | Semiotics | 2 | 84 | 538 | 112 |
| 256 | ecosystem | 2 | 84 | 1940 | 2017 |
| 261 | Nanoparticles | 1 | 83 | 3312 | 2340 |
| 261 | Decision making | 2 | 83 | 2335 | 1708 |
| 263 | mammals | 9 | 82 | 667 | 1198 |
| 264 | Molecular Microbiology | 1 | 81 | 1723 | 1569 |
| 265 | Lipids | 1 | 80 | 2675 | 2066 |
| 266 | income | 1 | 79 | 415 | 218 |
| 266 | Input-output analysis | 1 | 79 | 577 | 322 |
| 266 | Wealth | 1 | 79 | 415 | 218 |
| 269 | Geriatrics | 4 | 78 | 3481 | 3609 |
| 269 | Bioinorganic chemistry | 6 | 78 | 1187 | 1698 |
| 269 | Molecular ecology | 3 | 78 | 1326 | 1954 |
| 272 | Geography | 3 | 77 | 2823 | 2637 |
| 272 | Communication and Culture | 1 | 77 | 595 | 188 |
| 272 | Africa | 8 | 77 | 1121 | 1369 |
| 272 | educational innovations | 3 | 77 | 587 | 534 |
| 276 | older people | 3 | 76 | 2139 | 1598 |
| 277 | Engineering | 12 | 73 | 2822 | 4608 |
| 278 | Community Psychology | 2 | 72 | 819 | 766 |
| 279 | Literacy | 3 | 71 | 312 | 263 |
| 280 | health services | 4 | 70 | 1190 | 1434 |
| 281 | Agricultural Ecology | 1 | 69 | 2280 | 1909 |
| 281 | Medical Physics | 3 | 69 | 2122 | 2065 |
| 283 | Research Design | 3 | 68 | 1634 | 1848 |
| 283 | Liposomes | 3 | 68 | 641 | 773 |
| 283 | Lipid bilayers | 3 | 68 | 519 | 630 |
| 283 | plant communities | 2 | 68 | 1519 | 1729 |
| 287 | Biomedical Engineering | 4 | 67 | 5621 | 6506 |
| 287 | Paleontology | 3 | 67 | 1561 | 1438 |
| 287 | Solutions | 4 | 67 | 353 | 365 |
| 290 | Chemical Engineering | 4 | 66 | 4668 | 5571 |
| 290 | Human Geography | 1 | 66 | 2098 | 1184 |
| 290 | Clinical Chemistry | 6 | 66 | 2859 | 4297 |
| 290 | Bioorganic chemistry | 6 | 66 | 2519 | 3785 |
| 294 | Politics | 24 | 65 | 137 | 488 |
| 294 | Health promotion | 3 | 65 | 1965 | 2194 |
| 294 | government | 23 | 65 | 179 | 645 |
| 297 | Pharmacology | 5 | 64 | 5585 | 7240 |
| 297 | Organizational Behavior | 1 | 64 | 1016 | 847 |
| 299 | Diabetes mellitus | 1 | 62 | 4124 | 3627 |
| 299 | Cognitive neuroscience | 2 | 62 | 1355 | 1516 |
| 299 | homosexuality | 3 | 62 | 458 | 539 |
| 299 | Condensed Matter | 6 | 62 | 3030 | 3595 |
| 299 | Heterocyclic compounds | 1 | 62 | 1873 | 922 |
| 299 | Diabetes | 1 | 62 | 4209 | 3683 |
| 305 | role | 1 | 61 | 800 | 704 |
| 306 | Analytical Chemistry | 3 | 59 | 5290 | 5771 |
| 306 | Chemical Ecology | 3 | 59 | 638 | 909 |
| 308 | Electronics | 2 | 58 | 4892 | 3714 |
| 308 | Conservation Biology | 1 | 58 | 2256 | 1849 |
| 308 | Forest Ecology | 1 | 58 | 1940 | 1653 |
| 308 | Public Speaking | 9 | 58 | 74 | 103 |
| 308 | Forest Management | 1 | 58 | 1907 | 1584 |
| 308 | mathematical analysis | 5 | 58 | 2280 | 2133 |
| 314 | Educational Technology | 2 | 57 | 2206 | 1895 |
| 314 | urban health | 1 | 57 | 658 | 528 |
| 314 | Social work | 20 | 57 | 520 | 1624 |
| 314 | educational planning | 1 | 57 | 854 | 574 |
| 318 | Parasitology | 1 | 55 | 4234 | 3241 |
| 318 | Parasitic Diseases | 1 | 55 | 3929 | 3267 |
| 318 | Parasites | 1 | 55 | 3013 | 2284 |
| 321 | Surgery | 1 | 54 | 3919 | 3383 |
| 321 | Bilingualism | 2 | 54 | 276 | 322 |
| 321 | Multilingualism | 2 | 54 | 403 | 366 |
| 321 | nuclear magnetic resonance | 2 | 54 | 1615 | 1433 |
| 321 | Magnetic Resonance Spectroscopy | 2 | 54 | 1777 | 1561 |
| 326 | Music | 2 | 53 | 1438 | 932 |
| 326 | Speech Disorders | 3 | 53 | 1225 | 1445 |
| 326 | India | 1 | 53 | 3750 | 1328 |
| 329 | Islam | 3 | 52 | 685 | 403 |
| 329 | Islamic civilization | 3 | 52 | 132 | 13 |
| 331 | Food Policy | 6 | 51 | 241 | 731 |
| 331 | taxation | 1 | 51 | 530 | 348 |
| 331 | agricultural policy | 6 | 51 | 152 | 611 |
| 334 | Energy Policy | 2 | 50 | 3648 | 4362 |
| 334 | Environmental Policy | 2 | 50 | 4786 | 5542 |
| 334 | biological invasions | 1 | 50 | 1233 | 1051 |
| 334 | energy resources | 2 | 50 | 1895 | 2726 |
| 338 | Geometry | 11 | 49 | 715 | 1060 |
| 338 | Political Psychology | 3 | 49 | 379 | 563 |
| 338 | Development Economics | 4 | 49 | 414 | 697 |
| 341 | Health Policy | 2 | 48 | 3773 | 3787 |
| 341 | Water quality management | 3 | 48 | 2231 | 2578 |
| 341 | water resources | 3 | 48 | 237 | 244 |
| 341 | Suicide | 1 | 48 | 1222 | 902 |
| 345 | Health Services Administration | 1 | 47 | 2610 | 1866 |
| 345 | Popular culture | 4 | 47 | 475 | 320 |
| 347 | Musicology | 2 | 46 | 339 | 191 |
| 347 | Thermodynamics | 2 | 46 | 1711 | 1269 |
| 347 | Thermochemistry | 2 | 46 | 691 | 713 |
| 347 | Biodiversity conservation | 3 | 46 | 2088 | 3070 |
| 351 | Urban Economics | 1 | 45 | 702 | 657 |
| 351 | Environmental Chemistry | 2 | 45 | 3187 | 3695 |
| 351 | urban population | 1 | 45 | 451 | 523 |
| 351 | pheromones | 2 | 45 | 718 | 988 |
| 351 | Linguistic change | 2 | 45 | 27 | 81 |
| 356 | Graphic Novels | 2 | 44 | 40 | 9 |
| 357 | Graph Theory | 4 | 43 | 792 | 696 |
| 358 | Solid State Physics | 5 | 42 | 3584 | 4553 |
| 358 | actuators | 1 | 42 | 3718 | 3613 |
| 358 | transducers | 1 | 42 | 3718 | 3613 |
| 361 | History of Medicine | 6 | 41 | 395 | 320 |
| 361 | Communist countries | 5 | 41 | 150 | 237 |
| 361 | city planning | 2 | 41 | 2301 | 2290 |
| 361 | Women's health | 3 | 41 | 1710 | 2328 |
| 361 | Consciousness | 2 | 41 | 677 | 717 |
| 366 | Nuclear Fusion | 3 | 40 | 742 | 803 |
| 366 | Human evolution | 2 | 40 | 615 | 837 |
| 366 | motivation | 4 | 40 | 300 | 575 |
| 366 | natural history museums | 1 | 40 | 245 | 68 |
| 366 | women | 6 | 40 | 615 | 962 |
| 371 | Gender Studies | 3 | 39 | 560 | 775 |
| 371 | civilization | 15 | 39 | 599 | 624 |
| 373 | Water pollution | 1 | 38 | 4673 | 4583 |
| 373 | Renewable Energy Sources | 1 | 38 | 4540 | 4889 |
| 373 | Environmental pollutants | 1 | 38 | 4162 | 4057 |
| 373 | toxicity testing | 1 | 38 | 1648 | 1549 |
| 373 | Combinatorial analysis | 9 | 38 | 717 | 1001 |
| 373 | drugs | 2 | 38 | 3427 | 3856 |
| 379 | Industrial Engineering | 2 | 37 | 2707 | 2958 |
| 379 | Archaeology | 4 | 37 | 1414 | 1793 |
| 379 | medical education | 2 | 37 | 3103 | 3107 |
| 379 | United Nations | 3 | 37 | 38 | 75 |
| 383 | Ethics | 4 | 36 | 992 | 1423 |
| 383 | health behavior | 2 | 36 | 1534 | 1946 |
| 383 | Materials | 5 | 36 | 5662 | 7842 |
| 383 | Plant breeding | 2 | 36 | 1266 | 1495 |
| 383 | eugenics | 2 | 36 | 1009 | 1172 |
| 383 | Breeding | 2 | 36 | 1794 | 2094 |
| 383 | Plant cells | 1 | 36 | 1930 | 2474 |
| 390 | Catalysis | 2 | 35 | 4295 | 4927 |
| 390 | Environmental Economics | 1 | 35 | 992 | 787 |
| 390 | Knowledge | 5 | 35 | 364 | 506 |
| 393 | women's rights | 2 | 34 | 298 | 379 |
| 393 | California | 1 | 34 | 911 | 739 |
| 395 | Algebra | 5 | 33 | 1383 | 1403 |
| 395 | Social History | 6 | 33 | 398 | 529 |
| 395 | Reproductive health | 1 | 33 | 1723 | 1609 |
| 395 | Sexual health | 1 | 33 | 1644 | 1258 |
| 395 | Jews | 6 | 33 | 186 | 114 |
| 400 | Green Chemistry | 1 | 32 | 2823 | 3202 |
| 400 | Sustainable Engineering | 1 | 32 | 2907 | 2969 |
| 400 | Quantum Optics | 1 | 32 | 1622 | 1349 |
| 400 | Atomic spectroscopy | 1 | 32 | 2079 | 1807 |
| 400 | Laser Spectroscopy | 1 | 32 | 1540 | 1277 |
| 405 | Marine Biology | 5 | 31 | 2441 | 4205 |
| 405 | Inorganic Polymers | 1 | 31 | 76 | 48 |
| 405 | Health insurance | 1 | 31 | 1054 | 929 |
| 405 | families | 2 | 31 | 1246 | 1303 |
| 405 | Organometallic polymers | 1 | 31 | 76 | 48 |
| 405 | violence | 1 | 31 | 1878 | 1766 |
| 405 | Aggression | 1 | 31 | 960 | 1006 |
| 405 | Solar System | 2 | 31 | 1125 | 1375 |
| 413 | Pharmacognosy | 1 | 30 | 3365 | 3612 |
| 413 | Neurochemistry | 1 | 30 | 4146 | 4295 |
| 413 | Physical organic chemistry | 3 | 30 | 1641 | 2291 |
| 413 | Medicinal plants | 1 | 30 | 2807 | 2953 |
| 413 | Constructivism | 3 | 30 | 56 | 72 |
| 413 | negotiation | 2 | 30 | 116 | 126 |
| 413 | Diplomatic relations | 3 | 30 | 854 | 631 |
| 413 | Insects | 2 | 30 | 2149 | 2236 |
| 413 | African Americans | 2 | 30 | 267 | 248 |
| 413 | African American | 2 | 30 | 197 | 210 |
| 413 | conflict management | 2 | 30 | 390 | 573 |
| 424 | Epidemiology | 1 | 29 | 7453 | 7209 |
| 424 | Organometallic compounds | 2 | 29 | 1728 | 2039 |
| 424 | cross-cultural comparison | 1 | 29 | 1210 | 1064 |
| 424 | Emotions | 2 | 29 | 801 | 1200 |
| 428 | Welfare Economics | 2 | 28 | 612 | 773 |
| 428 | global environmental change | 1 | 28 | 1721 | 2005 |
| 428 | Reproduction | 3 | 28 | 2983 | 4225 |
| 428 | Culture | 8 | 28 | 671 | 1433 |
| 428 | environmental issues | 1 | 28 | 976 | 1096 |
| 433 | Neurogenetics | 1 | 27 | 758 | 811 |
| 433 | Religion | 6 | 27 | 856 | 870 |
| 433 | Latin America | 8 | 27 | 1008 | 1412 |
| 433 | infection | 1 | 27 | 3434 | 3603 |
| 437 | Econometrics | 2 | 26 | 1860 | 1934 |
| 437 | Neurolinguistics | 3 | 26 | 509 | 996 |
| 437 | Hypertension | 1 | 26 | 3111 | 3495 |
| 437 | Psychometrics | 1 | 26 | 815 | 805 |
| 437 | Hemodynamics | 1 | 26 | 1251 | 1556 |
| 437 | consumer behavior | 2 | 26 | 754 | 1174 |
| 437 | preventive medicine | 1 | 26 | 2922 | 3061 |
| 444 | Pharmacy | 1 | 25 | 4217 | 4174 |
| 444 | Pharmaceutical Technology | 1 | 25 | 2812 | 3006 |
| 444 | Political Sociology | 3 | 25 | 470 | 725 |
| 444 | Pharmacokinetics | 1 | 25 | 2087 | 2082 |
| 444 | Semantics | 1 | 25 | 523 | 420 |
| 444 | Mental Health | 2 | 25 | 2588 | 3167 |
| 444 | Computational Linguistics | 3 | 25 | 638 | 830 |
| 444 | Greece | 1 | 25 | 146 | 68 |
| 452 | Queer Studies | 2 | 24 | 416 | 684 |
| 452 | Applied Ethics | 2 | 24 | 188 | 202 |
| 452 | industrial relations | 6 | 24 | 633 | 1348 |
| 452 | Borderlands | 1 | 24 | 152 | 116 |
| 452 | Spain | 5 | 24 | 710 | 670 |
| 452 | Primates | 3 | 24 | 931 | 1413 |
| 452 | Genes | 2 | 24 | 1773 | 2448 |
| 459 | Electrophysiology | 1 | 23 | 2321 | 2166 |
| 460 | Demography | 1 | 22 | 1487 | 1521 |
| 460 | Cognitive Therapy | 1 | 22 | 1289 | 1359 |
| 460 | Government policy | 1 | 22 | 375 | 449 |
| 460 | journals | 6 | 22 | 90 | 65 |
| 460 | concepts | 2 | 22 | 160 | 198 |
| 460 | Sites | 1 | 22 | 1076 | 1420 |
| 460 | genome | 2 | 22 | 2553 | 3780 |
| 467 | Environmental Engineering | 1 | 21 | 6929 | 7277 |
| 467 | Dermatology | 1 | 21 | 3396 | 3354 |
| 467 | Pediatric Dermatology | 1 | 21 | 1008 | 978 |
| 467 | Environmental Health | 1 | 21 | 9404 | 10255 |
| 467 | Boundary Value Problems | 1 | 21 | 829 | 499 |
| 467 | sanitation | 1 | 21 | 2894 | 3771 |
| 467 | Democracy | 2 | 21 | 485 | 449 |
| 467 | cooperation | 1 | 21 | 344 | 228 |
| 467 | Optical materials | 2 | 21 | 3357 | 4513 |
| 467 | Plasma devices | 1 | 21 | 634 | 694 |
| 477 | Hematology | 1 | 20 | 5576 | 5071 |
| 477 | Mathematical Economics | 1 | 20 | 559 | 530 |
| 477 | Forensic Psychology | 1 | 20 | 842 | 835 |
| 477 | Forensic Psychiatry | 1 | 20 | 1125 | 1106 |
| 477 | Cold War | 1 | 20 | 330 | 93 |
| 477 | blood transfusion | 1 | 20 | 1741 | 1767 |
| 477 | Radioisotopes | 3 | 20 | 1589 | 2199 |
| 477 | particles | 2 | 20 | 1465 | 2128 |
| 477 | Granular materials | 2 | 20 | 871 | 1480 |
| 477 | Southern states | 5 | 20 | 242 | 560 |
| 487 | Risk | 1 | 19 | 1230 | 1456 |
| 487 | Reading | 2 | 19 | 736 | 1052 |
| 487 | Uncertainty | 1 | 19 | 391 | 407 |
| 487 | race relations | 2 | 19 | 786 | 1005 |
| 487 | Argentina | 4 | 19 | 193 | 154 |
| 492 | Computer Vision | 2 | 18 | 1675 | 2523 |
| 492 | Applied Linguistics | 1 | 18 | 1192 | 994 |
| 492 | Health Education | 1 | 18 | 4105 | 4258 |
| 492 | Image Processing | 2 | 18 | 2866 | 3810 |
| 492 | particle accelerators | 1 | 18 | 282 | 327 |
| 492 | international trade | 1 | 18 | 1439 | 1393 |
| 492 | France | 3 | 18 | 520 | 614 |
| 492 | particle beams | 1 | 18 | 398 | 446 |
| 492 | family counseling | 1 | 18 | 326 | 275 |
| 492 | Self | 1 | 18 | 394 | 472 |
| 502 | Anthropological Linguistics | 3 | 17 | 297 | 376 |
| 502 | Language Policy | 1 | 17 | 234 | 310 |
| 502 | Algebraic geometry | 1 | 17 | 158 | 165 |
| 502 | Qualitative Research | 1 | 17 | 1019 | 1078 |
| 502 | Eastern Europe | 4 | 17 | 939 | 1437 |
| 502 | Language planning | 1 | 17 | 352 | 249 |
| 502 | insurance | 1 | 17 | 784 | 782 |
| 509 | History | 12 | 16 | 639 | 875 |
| 509 | Religion and Science | 1 | 16 | 279 | 161 |
| 509 | Autobiography | 1 | 16 | 207 | 38 |
| 509 | Psychopharmacology | 1 | 16 | 3104 | 3449 |
| 509 | Climate change | 1 | 16 | 1970 | 2832 |
| 509 | Obsessive-Compulsive Disorder | 4 | 16 | 101 | 272 |
| 509 | Popular Literature | 1 | 16 | 273 | 161 |
| 509 | Eutrophication | 1 | 16 | 1815 | 2655 |
| 509 | body temperature | 1 | 16 | 1110 | 1333 |
| 509 | strategy | 1 | 16 | 484 | 343 |
| 509 | Europe | 3 | 16 | 4267 | 6166 |
| 520 | Oral History | 1 | 15 | 67 | 43 |
| 520 | Environmental Management | 1 | 15 | 5191 | 6387 |
| 520 | Sikhism | 1 | 15 | 52 | 15 |
| 520 | Synapses | 1 | 15 | 624 | 860 |
| 520 | Mental illness | 1 | 15 | 4008 | 4769 |
| 520 | mathematical concepts | 1 | 15 | 893 | 896 |
| 526 | Intercultural Communication | 1 | 14 | 805 | 909 |
| 526 | Theology | 4 | 14 | 849 | 565 |
| 526 | Molecular Genetics | 2 | 14 | 3011 | 4714 |
| 526 | Population Genetics | 2 | 14 | 1778 | 2988 |
| 526 | Educational Anthropology | 2 | 14 | 150 | 252 |
| 526 | Oxidative stress | 1 | 14 | 2308 | 3267 |
| 526 | Ethnic relations | 4 | 14 | 560 | 1072 |
| 526 | Cross-Cultural Studies | 1 | 14 | 1499 | 1746 |
| 526 | Sports | 3 | 14 | 2489 | 3540 |
| 526 | free radicals | 1 | 14 | 2758 | 3476 |
| 526 | Oxidation-reduction | 1 | 14 | 1609 | 2360 |
| 537 | Photography | 3 | 13 | 2274 | 1901 |
| 537 | Latin American Literature | 12 | 13 | 131 | 139 |
| 537 | Cosmology | 3 | 13 | 1670 | 2061 |
| 537 | Language Acquisition | 1 | 13 | 816 | 904 |
| 537 | Language Development | 1 | 13 | 449 | 566 |
| 537 | Clinical Pharmacology | 1 | 13 | 2962 | 3558 |
| 537 | Open Access Publishing | 2 | 13 | 137 | 215 |
| 537 | environmental protection | 1 | 13 | 6467 | 7564 |
| 537 | Mass Spectrometry | 1 | 13 | 2369 | 2800 |
| 537 | DNS | 1 | 13 | 1162 | 1593 |
| 537 | subculture | 1 | 13 | 86 | 33 |
| 537 | Fans | 1 | 13 | 42 | 30 |
| 537 | China | 4 | 13 | 3107 | 6150 |
| 537 | drug therapy | 1 | 13 | 4650 | 5490 |
| 537 | Recombinant DNA | 1 | 13 | 3054 | 3688 |
| 537 | DNA | 1 | 13 | 1389 | 1738 |
| 537 | academic writing | 1 | 13 | 88 | 21 |
| 554 | Social Movements | 1 | 12 | 322 | 358 |
| 554 | Cultural Anthropology | 1 | 12 | 191 | 218 |
| 554 | Classical Philology | 2 | 12 | 413 | 273 |
| 554 | Collective behavior | 1 | 12 | 210 | 328 |
| 554 | Business | 3 | 12 | 2578 | 4203 |
| 554 | Vocational guidance | 2 | 12 | 1192 | 1992 |
| 554 | economic development projects | 1 | 12 | 489 | 679 |
| 554 | fusion reactors | 2 | 12 | 675 | 845 |
| 562 | Pathology | 1 | 11 | 4565 | 5676 |
| 562 | Automation | 1 | 11 | 3237 | 3663 |
| 562 | Engineering Ethics | 1 | 11 | 473 | 748 |
| 562 | Professional ethics | 1 | 11 | 659 | 995 |
| 562 | Technology | 3 | 11 | 5454 | 8420 |
| 562 | Renaissance | 6 | 11 | 174 | 260 |
| 562 | Telecommunication | 2 | 11 | 3277 | 4093 |
| 562 | Iran | 1 | 11 | 386 | 334 |
| 570 | Radiopharmaceuticals | 1 | 10 | 876 | 853 |
| 570 | Wildlife conservation | 2 | 10 | 1725 | 3055 |
| 570 | Ethnic Conflict | 1 | 10 | 532 | 730 |
| 570 | Bioacoustics | 1 | 10 | 236 | 358 |
| 570 | Radiation | 2 | 10 | 3302 | 4728 |
| 570 | Art | 6 | 10 | 325 | 440 |
| 570 | Molecules | 1 | 10 | 2644 | 2869 |
| 570 | men | 3 | 10 | 326 | 988 |
| 570 | forced migration | 1 | 10 | 532 | 730 |
| 570 | masculinity | 3 | 10 | 84 | 352 |
| 580 | Nuclear Engineering | 1 | 9 | 2367 | 2425 |
| 580 | Freshwater Ecology | 1 | 9 | 616 | 812 |
| 580 | Computer Architecture | 1 | 9 | 951 | 1110 |
| 580 | Educational Sociology | 2 | 9 | 507 | 905 |
| 580 | Multicultural Education | 1 | 9 | 775 | 875 |
| 580 | Photochemistry | 1 | 9 | 3339 | 4305 |
| 580 | Social perception | 1 | 9 | 258 | 390 |
| 580 | Psychoanalytic theory | 1 | 9 | 137 | 125 |
| 580 | Psychoanalysis | 1 | 9 | 838 | 716 |
| 580 | Randomized Controlled Trials | 1 | 9 | 2584 | 3313 |
| 580 | Cognitive Grammar | 1 | 9 | 173 | 210 |
| 580 | Photobiology | 1 | 9 | 2690 | 3497 |
| 580 | Aquatic animals | 1 | 9 | 466 | 729 |
| 593 | Environmental Psychology | 1 | 8 | 758 | 1295 |
| 593 | Solar Energy | 1 | 8 | 3066 | 4131 |
| 593 | mutation | 1 | 8 | 1324 | 1965 |
| 593 | Visual Anthropology | 4 | 8 | 45 | 160 |
| 593 | Flexible electronics | 1 | 8 | 171 | 392 |
| 593 | Indigenous Peoples | 1 | 8 | 264 | 307 |
| 593 | Social Issues | 1 | 8 | 510 | 817 |
| 593 | Logic Programming | 1 | 8 | 599 | 624 |
| 593 | visualization | 4 | 8 | 1828 | 2860 |
| 593 | Library Science | 3 | 8 | 1552 | 2363 |
| 593 | curriculum planning | 2 | 8 | 248 | 450 |
| 593 | libraries | 4 | 8 | 773 | 1279 |
| 593 | plant molecular biology | 1 | 8 | 2662 | 3707 |
| 593 | Methodology | 1 | 8 | 1070 | 1330 |
| 593 | Autonomous robots | 1 | 8 | 378 | 649 |
| 608 | Medical Laboratory Science | 1 | 7 | 4186 | 5580 |
| 608 | Phonetics | 1 | 7 | 646 | 892 |
| 608 | Phonology | 1 | 7 | 53 | 108 |
| 608 | Regional Planning | 2 | 7 | 2201 | 3506 |
| 608 | Ecophysiology | 1 | 7 | 587 | 964 |
| 608 | War | 2 | 7 | 326 | 744 |
| 608 | Maternal health services | 1 | 7 | 1007 | 1549 |
| 608 | Child welfare | 1 | 7 | 2335 | 3091 |
| 608 | Ocean Engineering | 2 | 7 | 2187 | 3549 |
| 608 | Religion and Sociology | 2 | 7 | 386 | 527 |
| 608 | refugees | 2 | 7 | 382 | 846 |
| 608 | Thorax | 1 | 7 | 1080 | 1670 |
| 620 | Signal Processing | 1 | 6 | 3527 | 4460 |
| 620 | Symbolic interactionism | 1 | 6 | 231 | 365 |
| 620 | Urban Education | 1 | 6 | 247 | 368 |
| 620 | Microcirculation | 1 | 6 | 1065 | 1602 |
| 620 | animals | 1 | 6 | 2555 | 3287 |
| 620 | Humanitarian Assistance | 1 | 6 | 93 | 119 |
| 620 | behavior modification | 1 | 6 | 722 | 1133 |
| 620 | radar | 1 | 6 | 484 | 731 |
| 620 | Blood vessels | 1 | 6 | 890 | 1322 |
| 620 | Spanish literature | 2 | 6 | 252 | 94 |
| 620 | Sun | 1 | 6 | 717 | 951 |
| 620 | child behavior | 1 | 6 | 790 | 1219 |
| 620 | computer networks | 3 | 6 | 2804 | 4964 |
| 633 | Logic | 2 | 5 | 640 | 942 |
| 633 | Hydrology | 1 | 5 | 4471 | 5722 |
| 633 | Water | 1 | 5 | 4408 | 6069 |
| 633 | Diagnostic Imaging | 1 | 5 | 4190 | 5261 |
| 633 | Labor Unions | 1 | 5 | 584 | 735 |
| 633 | Fluorescence spectroscopy | 1 | 5 | 630 | 1029 |
| 633 | Business Ethics | 1 | 5 | 1648 | 2366 |
| 633 | Molecular Spectroscopy | 1 | 5 | 3169 | 4334 |
| 633 | System analysis | 2 | 5 | 3533 | 5907 |
| 633 | Plant hormones | 2 | 5 | 461 | 1177 |
| 633 | stability | 2 | 5 | 132 | 288 |
| 633 | water supply | 1 | 5 | 1817 | 2663 |
| 633 | Learning strategies | 1 | 5 | 87 | 182 |
| 633 | commerce | 1 | 5 | 2966 | 3689 |
| 633 | finance | 2 | 5 | 3082 | 4480 |
| 648 | Hydrodynamics | 1 | 4 | 1067 | 1698 |
| 648 | Nationalism | 1 | 4 | 690 | 932 |
| 648 | Bioethics | 1 | 4 | 1908 | 2634 |
| 648 | Regional Development | 1 | 4 | 572 | 896 |
| 648 | Obesity | 1 | 4 | 3932 | 5726 |
| 648 | Russia | 3 | 4 | 278 | 430 |
| 648 | Development planning | 1 | 4 | 524 | 832 |
| 648 | Mechanics | 1 | 4 | 2537 | 3153 |
| 648 | Metallography | 1 | 4 | 1591 | 2286 |
| 648 | fossil | 1 | 4 | 124 | 217 |
| 648 | Soviet Union | 4 | 4 | 706 | 1909 |
| 648 | Economic planning | 1 | 4 | 1031 | 1672 |
| 660 | Electrical Engineering | 2 | 3 | 4809 | 6501 |
| 660 | Computer Engineering | 1 | 3 | 1805 | 2616 |
| 660 | Cultural Studies | 1 | 3 | 390 | 738 |
| 660 | Metaphysics | 2 | 3 | 42 | 79 |
| 660 | Historical Sociology | 1 | 3 | 186 | 287 |
| 660 | Mass Media | 1 | 3 | 1812 | 1986 |
| 660 | Ontology | 2 | 3 | 86 | 153 |
| 660 | School choice | 1 | 3 | 112 | 199 |
| 660 | Religion and Culture | 3 | 3 | 321 | 1015 |
| 660 | Religion and Psychology | 1 | 3 | 1191 | 1891 |
| 660 | Digital humanities | 1 | 3 | 235 | 451 |
| 660 | psychiatric disorders | 1 | 3 | 153 | 272 |
| 660 | Linguistic universals | 2 | 3 | 41 | 88 |
| 660 | Metals | 1 | 3 | 3872 | 4923 |
| 660 | Aquaculture | 1 | 3 | 2585 | 3620 |
| 675 | Civil Engineering | 8 | 2 | 1192 | 4181 |
| 675 | Structural dynamics | 1 | 2 | 1850 | 2800 |
| 675 | Earthquake Engineering | 1 | 2 | 2081 | 2949 |
| 675 | Vocational Education | 1 | 2 | 1078 | 1692 |
| 675 | Antitrust Law | 1 | 2 | 363 | 427 |
| 675 | Number Theory | 1 | 2 | 1532 | 1930 |
| 675 | Agricultural Biotechnology | 1 | 2 | 701 | 982 |
| 675 | Historiography | 2 | 2 | 242 | 504 |
| 675 | Language and Culture | 1 | 2 | 373 | 602 |
| 675 | vibration | 1 | 2 | 2291 | 3262 |
| 675 | Simulation Methods | 1 | 2 | 2078 | 3119 |
| 675 | Plant genetic engineering | 1 | 2 | 1777 | 2654 |
| 675 | Smoking | 1 | 2 | 1558 | 2555 |
| 675 | Plant tissue culture | 1 | 2 | 1421 | 2154 |
| 675 | International Education | 1 | 2 | 532 | 1030 |
| 675 | Social Change | 1 | 2 | 1907 | 3075 |
| 675 | Urban Anthropology | 1 | 2 | 380 | 716 |
| 675 | Sound | 3 | 2 | 1027 | 2321 |
| 675 | monopolies | 1 | 2 | 162 | 212 |
| 675 | Japan | 1 | 2 | 4079 | 5438 |
| 675 | Cartels | 1 | 2 | 162 | 212 |
| 675 | Spanish language | 1 | 2 | 300 | 276 |
| 697 | Materials Science | 2 | 1 | 6327 | 9579 |
| 697 | Computer Science | 2 | 1 | 3275 | 6090 |
| 697 | Medical Oncology | 1 | 1 | 3890 | 5174 |
| 697 | Public Health Administration | 1 | 1 | 856 | 1329 |
| 697 | Acoustics | 1 | 1 | 598 | 862 |
| 697 | Music Theory | 4 | 1 | 79 | 273 |
| 697 | Discrete Mathematics | 3 | 1 | 379 | 979 |
| 697 | Organizational change | 1 | 1 | 1479 | 2507 |
| 697 | ethnicity | 1 | 1 | 1519 | 2365 |
| 697 | insurgency | 1 | 1 | 187 | 381 |
| 697 | Democratization | 1 | 1 | 324 | 637 |
| 697 | Leadership | 1 | 1 | 995 | 1782 |
| 697 | Discrete geometry | 1 | 1 | 507 | 740 |
| 697 | Radiobiology | 1 | 1 | 3408 | 4306 |
| 697 | Knot Theory | 1 | 1 | 448 | 623 |
| 697 | Entropy | 1 | 1 | 2199 | 3374 |
| 697 | Developmental Immunology | 1 | 1 | 1693 | 2738 |
| 697 | Emotion | 1 | 1 | 431 | 844 |
| 697 | East Asia | 2 | 1 | 954 | 2219 |
| 697 | graph | 3 | 1 | 379 | 979 |
| 697 | management | 1 | 1 | 5999 | 8343 |
| 697 | Budget | 1 | 1 | 339 | 629 |
| 697 | Calvinism | 2 | 1 | 95 | 94 |
| 697 | values | 1 | 1 | 560 | 777 |
| 697 | cultural pluralism | 1 | 1 | 793 | 1352 |
| 697 | College | 2 | 1 | 146 | 162 |
| 697 | Hinduism | 2 | 1 | 46 | 91 |
| 724 | Humanities | 1 | 0 | 3877 | 5770 |
| 724 | Literature | 1 | 0 | 1685 | 1687 |
| 724 | Immunology | 3 | 0 | 4711 | 8612 |
| 724 | Law | 1 | 0 | 2912 | 3797 |
| 724 | Marine Engineering | 1 | 0 | 653 | 1076 |
| 724 | Architecture | 1 | 0 | 1358 | 1914 |
| 724 | Performing Arts | 1 | 0 | 478 | 596 |
| 724 | Nuclear Energy | 4 | 0 | 1182 | 3274 |
| 724 | Drama | 2 | 0 | 110 | 231 |
| 724 | Functional Analysis | 1 | 0 | 2032 | 2723 |
| 724 | Bioenergetics | 1 | 0 | 1728 | 2636 |
| 724 | American Literature | 6 | 0 | 434 | 1037 |
| 724 | Comparative Literature | 1 | 0 | 502 | 497 |
| 724 | Naval Architecture | 1 | 0 | 690 | 1198 |
| 724 | Neuroimaging | 1 | 0 | 649 | 1168 |
| 724 | Hydraulic Engineering | 1 | 0 | 1844 | 2895 |
| 724 | Theater | 3 | 0 | 327 | 648 |
| 724 | Aesthetics | 2 | 0 | 321 | 603 |
| 724 | Differential Equations | 1 | 0 | 1652 | 2363 |
| 724 | Art Criticism | 1 | 0 | 226 | 313 |
| 724 | Emergency Medicine | 1 | 0 | 3232 | 4830 |
| 724 | Energy metabolism | 1 | 0 | 1230 | 1821 |
| 724 | Electrochemistry | 1 | 0 | 5741 | 7395 |
| 724 | gene therapy | 1 | 0 | 2374 | 3751 |
| 724 | election law | 1 | 0 | 465 | 838 |
| 724 | European integration | 1 | 0 | 472 | 807 |
| 724 | Elderly | 2 | 0 | 1984 | 3437 |
| 724 | sects | 4 | 0 | 66 | 177 |
| 724 | Imitation | 1 | 0 | 24 | 40 |
| 724 | dispute settlement | 1 | 0 | 48 | 124 |
| 724 | nuclear power | 4 | 0 | 510 | 1602 |
| 724 | Asia | 2 | 0 | 4366 | 8308 |
| 724 | England | 5 | 0 | 140 | 578 |
| 724 | cell membrane | 1 | 0 | 1172 | 1704 |
| 724 | Therapeutics | 1 | 0 | 3674 | 5601 |
| 724 | Middle East | 2 | 0 | 1466 | 3113 |
| 724 | Elections | 1 | 0 | 623 | 1034 |
| 724 | Dementia | 1 | 0 | 2714 | 3414 |
| 724 | Italian language | 1 | 0 | 266 | 263 |
| 724 | North Africa | 1 | 0 | 433 | 787 |
| 724 | Alzheimer's disease | 1 | 0 | 2779 | 3512 |
| 724 | humanistic psychology | 1 | 0 | 217 | 478 |
| 724 | printing | 1 | 0 | 11 | 6 |
| 724 | mental processes | 1 | 0 | 749 | 1287 |
| 724 | civil war | 1 | 0 | 131 | 322 |
| 724 | Pennsylvania | 1 | 0 | 113 | 30 |
| 724 | European Economic Community | 1 | 0 | 459 | 798 |
| 724 | cults | 4 | 0 | 66 | 177 |