| 1 | Education | 73 | 2.1K | 712 | 487 |
| 2 | Psychology | 99 | 2.1K | 853 | 1112 |
| 3 | Neurology | 29 | 1.6K | 2541 | 2162 |
| 4 | Behavior | 23 | 1.4K | 1364 | 1105 |
| 5 | human behavior | 18 | 1.3K | 1080 | 900 |
| 6 | Medicine | 60 | 1.2K | 3602 | 4946 |
| 7 | Psychiatry | 32 | 1.1K | 1817 | 1795 |
| 8 | Social Psychology | 46 | 956 | 504 | 729 |
| 9 | Science | 45 | 930 | 4208 | 6409 |
| 10 | personality | 23 | 927 | 527 | 574 |
| 11 | Psychophysiology | 27 | 912 | 1233 | 1347 |
| 12 | Brain | 18 | 897 | 1477 | 1246 |
| 13 | Spain | 127 | 852 | 46 | 29 |
| 14 | Neurophysiology | 20 | 842 | 1524 | 1573 |
| 15 | United States | 31 | 831 | 1946 | 1799 |
| 16 | Research | 42 | 823 | 3548 | 4484 |
| 17 | Educational Psychology | 13 | 747 | 716 | 459 |
| 18 | Europe | 41 | 703 | 940 | 1054 |
| 19 | Latin America | 51 | 652 | 266 | 113 |
| 20 | Distance Education | 27 | 651 | 34 | 54 |
| 21 | Tourism | 12 | 640 | 802 | 660 |
| 22 | Educational Technology | 15 | 634 | 602 | 348 |
| 23 | management | 13 | 603 | 1942 | 1519 |
| 24 | Manufacturing Processes | 17 | 518 | 1052 | 953 |
| 24 | Emotions | 4 | 518 | 577 | 289 |
| 26 | Nuclear Fusion | 27 | 514 | 219 | 225 |
| 27 | Analytical Chemistry | 20 | 504 | 2367 | 2512 |
| 28 | Pollution | 19 | 498 | 2878 | 3611 |
| 29 | Production Engineering | 16 | 489 | 841 | 598 |
| 30 | Cognition | 11 | 480 | 1018 | 883 |
| 31 | environmental pollution | 15 | 472 | 2594 | 2847 |
| 32 | Chemistry | 24 | 460 | 5276 | 6595 |
| 33 | Engineering | 20 | 440 | 2036 | 1654 |
| 33 | Catalysis | 20 | 440 | 1877 | 2331 |
| 35 | Biology | 20 | 433 | 5879 | 7855 |
| 36 | Information Technology | 15 | 421 | 1122 | 847 |
| 37 | Cognitive Science | 5 | 417 | 1355 | 797 |
| 38 | Statistical physics | 20 | 413 | 1932 | 1897 |
| 38 | Aging | 7 | 413 | 2535 | 1629 |
| 40 | Neurochemistry | 9 | 409 | 1823 | 1658 |
| 41 | Raman spectroscopy | 10 | 404 | 395 | 257 |
| 41 | Quality of life | 19 | 404 | 496 | 822 |
| 43 | energy conservation | 5 | 403 | 1769 | 1176 |
| 44 | Renewable Energy Sources | 10 | 389 | 1648 | 2124 |
| 45 | Social Sciences | 38 | 377 | 951 | 1285 |
| 46 | Telecommunication | 11 | 355 | 1313 | 768 |
| 47 | Entrepreneurship | 4 | 354 | 974 | 652 |
| 48 | Nuclear Physics | 18 | 351 | 2550 | 2525 |
| 49 | Nuclear Engineering | 27 | 343 | 437 | 403 |
| 50 | Sociology | 33 | 334 | 869 | 1623 |
| 51 | fusion reactors | 25 | 333 | 157 | 141 |
| 52 | Physics | 28 | 318 | 4947 | 8464 |
| 53 | Artificial Intelligence | 22 | 307 | 1605 | 2117 |
| 54 | Polymers | 22 | 294 | 2348 | 2929 |
| 55 | Zeolites | 4 | 289 | 913 | 585 |
| 56 | Archaeology | 23 | 278 | 508 | 672 |
| 57 | Learning | 7 | 277 | 996 | 859 |
| 58 | behavioral medicine | 7 | 270 | 996 | 1061 |
| 59 | Animal Behavior | 4 | 260 | 2040 | 1657 |
| 60 | Ecology | 8 | 258 | 5218 | 5827 |
| 61 | Geomorphology | 12 | 253 | 762 | 1085 |
| 62 | Psychopharmacology | 7 | 252 | 1405 | 1443 |
| 63 | Information Science | 10 | 250 | 1559 | 1664 |
| 64 | Mathematics | 37 | 249 | 2463 | 3094 |
| 65 | Child Development | 11 | 247 | 1250 | 1524 |
| 66 | Toxicology | 11 | 245 | 3418 | 4020 |
| 67 | polymerization | 18 | 242 | 2158 | 2683 |
| 68 | Nonlinear Dynamics | 10 | 240 | 1497 | 1459 |
| 68 | Electrochemistry | 8 | 240 | 2979 | 2572 |
| 70 | Gerontology | 5 | 233 | 1951 | 1195 |
| 71 | Product Design | 9 | 231 | 300 | 216 |
| 72 | Environmental Health | 11 | 226 | 3785 | 4870 |
| 73 | Child psychology | 11 | 223 | 899 | 1350 |
| 74 | Endocrinology | 3 | 221 | 3984 | 3109 |
| 75 | Telecommunications | 3 | 220 | 924 | 236 |
| 76 | Spectrum analysis | 8 | 219 | 3550 | 3347 |
| 77 | Sites | 6 | 218 | 423 | 479 |
| 78 | Economics | 20 | 216 | 2161 | 2528 |
| 78 | Environmental monitoring | 4 | 216 | 4217 | 3559 |
| 80 | psychotherapy | 4 | 206 | 1423 | 1080 |
| 81 | Mental Health | 6 | 205 | 1421 | 1067 |
| 81 | Carbon | 1 | 205 | 2396 | 1340 |
| 83 | sexual behavior | 3 | 204 | 795 | 483 |
| 84 | Mental Disorders | 14 | 203 | 1882 | 2958 |
| 85 | Communication | 13 | 199 | 1045 | 1178 |
| 86 | Mental illness | 8 | 197 | 1645 | 2149 |
| 87 | Molecular Biology | 9 | 192 | 6437 | 7844 |
| 88 | environmental exposure | 7 | 191 | 1471 | 1655 |
| 89 | software | 4 | 183 | 987 | 799 |
| 90 | Environmental Toxicology | 10 | 182 | 1541 | 2504 |
| 91 | Teaching | 13 | 179 | 847 | 1047 |
| 92 | Biotechnology | 8 | 178 | 5140 | 6035 |
| 92 | Autism | 3 | 178 | 866 | 679 |
| 94 | Neuropsychology | 14 | 175 | 1332 | 2080 |
| 95 | Geriatric Psychiatry | 4 | 174 | 1193 | 988 |
| 95 | Developmental Disabilities | 8 | 174 | 685 | 978 |
| 97 | Mental Health Services | 4 | 172 | 1420 | 969 |
| 97 | Neuroplasticity | 2 | 172 | 579 | 237 |
| 97 | neuronal plasticity | 2 | 172 | 484 | 213 |
| 100 | Higher Education | 5 | 171 | 448 | 315 |
| 100 | Energy Policy | 10 | 171 | 1630 | 2743 |
| 102 | Vocational guidance | 2 | 169 | 1192 | 704 |
| 103 | Water pollution | 6 | 168 | 2355 | 2727 |
| 103 | Environmental pollutants | 9 | 168 | 1573 | 2182 |
| 105 | Schizophrenia | 7 | 163 | 884 | 1155 |
| 105 | Atomic spectroscopy | 2 | 163 | 1642 | 832 |
| 107 | Agricultural Ecology | 1 | 161 | 2280 | 1273 |
| 107 | Agronomy | 1 | 161 | 1161 | 585 |
| 107 | Sustainable agriculture | 1 | 161 | 1584 | 581 |
| 110 | Happiness | 9 | 160 | 127 | 302 |
| 111 | Biochemistry | 8 | 158 | 7443 | 8296 |
| 112 | Solid State Physics | 14 | 150 | 2436 | 2994 |
| 112 | rehabilitation | 5 | 150 | 2188 | 2028 |
| 114 | Colloids | 6 | 149 | 3220 | 3661 |
| 115 | Environment | 4 | 147 | 5622 | 6562 |
| 116 | Biophysics | 6 | 142 | 5539 | 5640 |
| 117 | Primary health care | 1 | 141 | 3822 | 1543 |
| 118 | Pharmacology | 7 | 139 | 4826 | 5531 |
| 118 | Surface Chemistry | 6 | 139 | 3304 | 3601 |
| 120 | Econometrics | 5 | 138 | 1237 | 1008 |
| 121 | Magnetic Resonance Spectroscopy | 8 | 137 | 935 | 1011 |
| 121 | nuclear magnetic resonance spectroscopy | 7 | 137 | 587 | 559 |
| 121 | Nervous system | 4 | 137 | 2810 | 2983 |
| 124 | motivation | 2 | 133 | 464 | 302 |
| 124 | Emotion | 2 | 133 | 284 | 235 |
| 126 | Constructivism | 6 | 131 | 22 | 11 |
| 127 | environmental protection | 8 | 130 | 2725 | 3795 |
| 128 | pollutants | 7 | 128 | 1480 | 2160 |
| 128 | thinking | 3 | 128 | 276 | 198 |
| 130 | older people | 4 | 127 | 1830 | 1163 |
| 131 | Humanities | 6 | 126 | 1464 | 819 |
| 132 | Human Resources | 3 | 125 | 475 | 491 |
| 133 | Geriatrics | 4 | 122 | 3480 | 2949 |
| 133 | Adolescent Psychology | 6 | 122 | 675 | 834 |
| 135 | Neural circuitry | 6 | 121 | 1580 | 1993 |
| 135 | Measurement | 3 | 121 | 1489 | 1069 |
| 135 | Creativity | 2 | 121 | 391 | 223 |
| 138 | Entropy | 9 | 118 | 525 | 671 |
| 139 | Environmental Management | 5 | 117 | 2744 | 3539 |
| 140 | Astrophysics | 3 | 116 | 3570 | 2953 |
| 141 | Child | 7 | 114 | 2158 | 2538 |
| 142 | Memory | 4 | 112 | 2215 | 2326 |
| 143 | Psychometrics | 1 | 110 | 815 | 447 |
| 143 | Water | 4 | 110 | 2609 | 3189 |
| 145 | computer networks | 4 | 109 | 2464 | 2077 |
| 146 | Operations Research | 16 | 108 | 1096 | 2009 |
| 147 | Anthropology | 3 | 106 | 2068 | 1299 |
| 147 | Robotics | 5 | 106 | 1500 | 1554 |
| 147 | Adolescent | 6 | 106 | 1977 | 2213 |
| 147 | Condensed Matter | 12 | 106 | 2350 | 3024 |
| 147 | Brain damage | 1 | 106 | 984 | 504 |
| 152 | Organic Chemistry | 6 | 103 | 2865 | 3319 |
| 152 | NMR | 6 | 103 | 414 | 388 |
| 152 | magnetic resonance | 6 | 103 | 420 | 405 |
| 155 | Human evolution | 1 | 102 | 840 | 553 |
| 155 | Public opinion | 1 | 102 | 858 | 438 |
| 155 | Therapeutics | 3 | 102 | 2382 | 2493 |
| 155 | biological evolution | 1 | 102 | 3922 | 2874 |
| 159 | soil microbiology | 2 | 101 | 2106 | 2239 |
| 160 | Social problems | 4 | 100 | 572 | 660 |
| 161 | Plant Ecology | 4 | 98 | 1830 | 2238 |
| 162 | Biomedical Engineering | 5 | 96 | 5117 | 5666 |
| 162 | Fire ecology | 2 | 96 | 98 | 71 |
| 162 | Speech | 2 | 96 | 1277 | 1009 |
| 165 | Materials Science | 3 | 95 | 5587 | 4940 |
| 165 | Physiology | 5 | 95 | 4349 | 5120 |
| 167 | Adult Education | 3 | 94 | 684 | 369 |
| 168 | Electrochemical Analysis | 4 | 93 | 1550 | 1595 |
| 169 | Database Management | 4 | 92 | 812 | 845 |
| 170 | Green Chemistry | 3 | 91 | 1935 | 2343 |
| 171 | Paleontology | 10 | 89 | 884 | 1271 |
| 171 | Clinical Psychology | 6 | 89 | 1284 | 2078 |
| 171 | Neurobiology | 4 | 89 | 1999 | 2642 |
| 174 | Anxiety Disorders | 2 | 88 | 809 | 944 |
| 174 | Anxiety | 2 | 88 | 811 | 940 |
| 176 | Speech Perception | 1 | 87 | 515 | 282 |
| 176 | auditory perception | 1 | 87 | 662 | 359 |
| 176 | Oral communication | 1 | 87 | 881 | 390 |
| 179 | Transportation | 1 | 86 | 2964 | 1741 |
| 179 | Elderly | 3 | 86 | 1643 | 888 |
| 179 | Molecular structure | 5 | 86 | 2415 | 2762 |
| 179 | population geography | 1 | 86 | 823 | 405 |
| 183 | Developmental Psychology | 3 | 84 | 1196 | 1338 |
| 184 | Biosensors | 3 | 83 | 1532 | 2159 |
| 185 | Experimental Psychology | 5 | 82 | 477 | 618 |
| 185 | Electrophoresis | 5 | 82 | 1605 | 2045 |
| 187 | Heat Exchangers | 4 | 81 | 1156 | 1587 |
| 188 | Eating Disorders | 7 | 79 | 646 | 1139 |
| 189 | Medical genetics | 1 | 76 | 4993 | 4334 |
| 189 | International Finance | 4 | 76 | 1577 | 1700 |
| 189 | System analysis | 7 | 76 | 1967 | 2624 |
| 192 | Engineering Mathematics | 6 | 74 | 2182 | 2139 |
| 192 | Psycholinguistics | 5 | 74 | 838 | 1231 |
| 192 | Transnational corporations | 3 | 74 | 345 | 381 |
| 195 | Software Engineering | 6 | 72 | 826 | 917 |
| 195 | occupational diseases | 1 | 72 | 2078 | 1429 |
| 197 | Ceramics | 2 | 70 | 2177 | 1672 |
| 197 | individual differences | 3 | 70 | 279 | 432 |
| 197 | Glass | 2 | 70 | 1649 | 1505 |
| 197 | pottery | 2 | 70 | 1583 | 1472 |
| 201 | adolescence | 3 | 69 | 1082 | 1206 |
| 202 | Plant diseases | 1 | 68 | 3322 | 2221 |
| 203 | Relationships | 2 | 67 | 220 | 245 |
| 204 | Marine Biology | 3 | 66 | 3028 | 3270 |
| 204 | Astronomy | 2 | 66 | 3564 | 3408 |
| 204 | Microbiology | 2 | 66 | 8972 | 9018 |
| 204 | Statistical Mechanics | 5 | 66 | 1061 | 950 |
| 204 | biopolymers | 5 | 66 | 1104 | 1621 |
| 204 | Attention | 3 | 66 | 2458 | 2733 |
| 204 | Perception | 3 | 66 | 2591 | 2847 |
| 211 | Public Health | 7 | 65 | 5281 | 7917 |
| 211 | Feeding and Eating Disorders | 6 | 65 | 685 | 1205 |
| 213 | reasoning | 5 | 62 | 261 | 465 |
| 213 | behavior therapy | 2 | 62 | 1222 | 1216 |
| 215 | Mechanical Engineering | 4 | 61 | 2655 | 2386 |
| 215 | Health | 3 | 61 | 3024 | 3324 |
| 217 | Visual Perception | 2 | 60 | 2888 | 2722 |
| 217 | Food | 3 | 60 | 3879 | 4463 |
| 219 | Pathology | 1 | 59 | 4556 | 3773 |
| 219 | Public Administration | 8 | 59 | 966 | 1378 |
| 219 | Organizational change | 1 | 59 | 1479 | 878 |
| 219 | Obesity | 4 | 59 | 2296 | 3430 |
| 219 | Production Management | 1 | 59 | 1951 | 1750 |
| 224 | Nanotechnology | 5 | 58 | 4778 | 6510 |
| 224 | Bioengineering | 2 | 58 | 6236 | 6515 |
| 224 | Marine Pollution | 2 | 58 | 1760 | 1958 |
| 224 | Sexual health | 2 | 58 | 1227 | 936 |
| 224 | Bioelectronics | 2 | 58 | 1599 | 2261 |
| 229 | Botany | 1 | 56 | 6111 | 5134 |
| 229 | Continuing Education | 2 | 56 | 641 | 350 |
| 229 | Soft Condensed Matter | 5 | 56 | 976 | 1540 |
| 229 | energy development | 1 | 56 | 1920 | 1435 |
| 229 | Radiation effects | 1 | 56 | 1321 | 1105 |
| 234 | Automation | 5 | 55 | 1687 | 2276 |
| 234 | technical education | 2 | 55 | 717 | 565 |
| 236 | Game Theory | 4 | 54 | 567 | 629 |
| 237 | Regional Planning | 5 | 53 | 1438 | 1908 |
| 237 | violence | 7 | 53 | 654 | 1392 |
| 239 | Fluid Dynamics | 1 | 52 | 2163 | 1520 |
| 239 | Mathematical Physics | 7 | 52 | 2476 | 2916 |
| 239 | regional security | 2 | 52 | 85 | 54 |
| 239 | regional cooperation | 2 | 52 | 82 | 54 |
| 243 | Family Therapy | 2 | 51 | 1080 | 913 |
| 243 | child mental health | 2 | 51 | 670 | 614 |
| 243 | China | 1 | 51 | 5519 | 3890 |
| 246 | Geography | 8 | 50 | 1712 | 3081 |
| 246 | Environmental Policy | 6 | 50 | 2834 | 5465 |
| 246 | Cognitive Therapy | 4 | 50 | 610 | 947 |
| 246 | sex crimes | 4 | 50 | 591 | 887 |
| 250 | Epidemiology | 6 | 48 | 3680 | 6131 |
| 250 | Linguistics | 7 | 48 | 1158 | 1484 |
| 250 | educational planning | 2 | 48 | 594 | 615 |
| 253 | Logic | 4 | 47 | 451 | 394 |
| 253 | Music | 5 | 47 | 804 | 949 |
| 253 | Analytical Biochemistry | 1 | 47 | 3430 | 2799 |
| 253 | voice | 5 | 47 | 396 | 678 |
| 257 | Soil Science | 1 | 46 | 3275 | 2746 |
| 257 | Vocational Education | 1 | 46 | 1078 | 663 |
| 257 | Communication in medicine | 1 | 46 | 1115 | 807 |
| 257 | internet | 3 | 46 | 1433 | 1597 |
| 261 | Geology | 6 | 45 | 2739 | 3876 |
| 261 | Catalysts | 2 | 45 | 975 | 988 |
| 263 | Special Education | 1 | 44 | 1572 | 928 |
| 263 | Public Policy | 4 | 44 | 1930 | 2993 |
| 263 | Quantum Gravity | 5 | 44 | 1884 | 2320 |
| 263 | Child welfare | 4 | 44 | 1154 | 1669 |
| 267 | Computational Chemistry | 1 | 43 | 1319 | 1134 |
| 267 | Biocompatible Materials | 3 | 43 | 4373 | 5993 |
| 269 | Early Childhood Education | 3 | 42 | 642 | 680 |
| 269 | Social Change | 2 | 42 | 1390 | 1924 |
| 271 | Psychosomatic Medicine | 1 | 41 | 1775 | 1694 |
| 271 | Food service management | 2 | 41 | 515 | 872 |
| 271 | Substance Abuse | 3 | 41 | 1812 | 2329 |
| 274 | Paleoecology | 2 | 40 | 1412 | 1656 |
| 274 | Ethnic relations | 5 | 40 | 459 | 618 |
| 274 | Reproduction | 2 | 40 | 3467 | 3723 |
| 277 | Crystal growth | 1 | 39 | 1816 | 1631 |
| 277 | rare diseases | 1 | 39 | 1482 | 1323 |
| 277 | Social work | 4 | 39 | 1548 | 1913 |
| 277 | Paleobotany | 1 | 39 | 375 | 318 |
| 277 | Vegetation dynamics | 1 | 39 | 356 | 310 |
| 282 | Electronics | 3 | 38 | 4231 | 4187 |
| 282 | Control Theory | 3 | 38 | 1967 | 2028 |
| 282 | Solar Energy | 5 | 38 | 1570 | 3009 |
| 282 | Consumer education | 1 | 38 | 758 | 742 |
| 282 | Population | 5 | 38 | 935 | 1705 |
| 282 | Fuzzy systems | 3 | 38 | 2001 | 2037 |
| 288 | Particle Physics | 1 | 37 | 1463 | 909 |
| 288 | toxicity testing | 1 | 37 | 1648 | 1546 |
| 288 | city planning | 7 | 37 | 1159 | 2349 |
| 288 | Elementary particles | 1 | 37 | 360 | 402 |
| 292 | Social History | 3 | 36 | 619 | 504 |
| 293 | Criminology | 2 | 35 | 1275 | 1206 |
| 293 | Signal Processing | 3 | 35 | 2336 | 2778 |
| 293 | Computational Fluid Dynamics | 3 | 35 | 778 | 1085 |
| 293 | Ethology | 1 | 35 | 2779 | 2962 |
| 293 | Randomized Controlled Trials | 2 | 35 | 1942 | 1972 |
| 293 | Methodology | 3 | 35 | 540 | 698 |
| 299 | Optics | 5 | 34 | 4660 | 5341 |
| 299 | Applied Linguistics | 1 | 34 | 1192 | 766 |
| 299 | Medical Microbiology | 2 | 34 | 3586 | 4721 |
| 299 | nuclear magnetic resonance | 2 | 34 | 1615 | 1665 |
| 299 | Cancer | 3 | 34 | 4609 | 6380 |
| 304 | Nutrition | 3 | 33 | 5541 | 7388 |
| 304 | Environmental Microbiology | 1 | 33 | 2819 | 3155 |
| 304 | Discourse Analysis | 5 | 33 | 290 | 576 |
| 304 | Demography | 3 | 33 | 837 | 1305 |
| 304 | Educational Research | 2 | 33 | 120 | 156 |
| 304 | Human-Computer Interaction | 2 | 33 | 2191 | 2481 |
| 304 | Microorganisms | 1 | 33 | 2340 | 2701 |
| 311 | Organizational Behavior | 1 | 32 | 1016 | 1050 |
| 311 | Rheology | 1 | 32 | 1181 | 999 |
| 311 | Materials | 13 | 32 | 3930 | 7982 |
| 311 | Parasitology | 1 | 32 | 4234 | 3868 |
| 311 | Parasitic Diseases | 1 | 32 | 3885 | 3843 |
| 311 | Hospitality industry | 2 | 32 | 579 | 781 |
| 311 | disease vectors | 1 | 32 | 1965 | 1987 |
| 311 | Parasites | 1 | 32 | 3013 | 2784 |
| 311 | Australia | 3 | 32 | 2481 | 3066 |
| 320 | Statistics | 6 | 31 | 2389 | 3527 |
| 320 | Journalism | 6 | 31 | 398 | 622 |
| 320 | Radiation | 5 | 31 | 2196 | 3472 |
| 320 | Infrared spectroscopy | 2 | 31 | 514 | 734 |
| 320 | Plastics | 3 | 31 | 2042 | 2592 |
| 320 | Youth | 3 | 31 | 743 | 1267 |
| 326 | Comparative Education | 12 | 30 | 50 | 320 |
| 326 | Career development | 2 | 30 | 581 | 661 |
| 326 | Travel | 1 | 30 | 2058 | 1633 |
| 326 | Molecules | 3 | 30 | 1809 | 2087 |
| 326 | ecotourism | 1 | 30 | 502 | 555 |
| 331 | Obstetrics | 1 | 29 | 4762 | 4356 |
| 331 | Structural dynamics | 1 | 29 | 1850 | 1968 |
| 331 | Biofeedback | 1 | 29 | 303 | 375 |
| 331 | Ethnic Conflict | 2 | 29 | 351 | 496 |
| 331 | vibration | 1 | 29 | 2291 | 1979 |
| 331 | Heritage Tourism | 1 | 29 | 304 | 247 |
| 331 | cultural tourism | 1 | 29 | 295 | 247 |
| 331 | Family | 4 | 29 | 991 | 1694 |
| 331 | forced migration | 2 | 29 | 351 | 496 |
| 331 | Social behavior | 4 | 29 | 1199 | 2228 |
| 331 | Earth Sciences | 4 | 29 | 3442 | 4799 |
| 331 | race relations | 2 | 29 | 786 | 860 |
| 343 | Well-being | 1 | 28 | 338 | 297 |
| 343 | Composite Materials | 1 | 28 | 4315 | 4477 |
| 343 | Military psychology | 2 | 28 | 180 | 221 |
| 343 | Evolution | 3 | 28 | 2375 | 3713 |
| 347 | industrial relations | 4 | 27 | 819 | 1261 |
| 347 | Decision making | 2 | 27 | 2335 | 2866 |
| 349 | Chemical Engineering | 2 | 26 | 5874 | 6912 |
| 349 | economic policy | 7 | 26 | 1995 | 3268 |
| 349 | libraries | 1 | 26 | 1624 | 828 |
| 352 | food technology | 2 | 25 | 3566 | 4726 |
| 352 | Photochemistry | 4 | 25 | 1916 | 3435 |
| 352 | Online social networks | 2 | 25 | 472 | 665 |
| 352 | soil conservation | 3 | 25 | 914 | 1675 |
| 352 | soil pollution | 3 | 25 | 642 | 1214 |
| 352 | mental health promotion | 1 | 25 | 381 | 428 |
| 352 | Photobiology | 4 | 25 | 1460 | 2745 |
| 352 | Women's health | 3 | 25 | 1710 | 2804 |
| 360 | Stochastic Processes | 1 | 24 | 1798 | 1488 |
| 360 | Small Business | 1 | 24 | 1340 | 1645 |
| 360 | families | 4 | 24 | 853 | 1433 |
| 363 | Social Choice Theory | 2 | 23 | 337 | 362 |
| 363 | Neuropsychiatry | 2 | 23 | 1395 | 2012 |
| 363 | Urban Policy | 1 | 23 | 1536 | 1728 |
| 363 | Regional Economics | 1 | 23 | 910 | 848 |
| 363 | Welfare Economics | 2 | 23 | 612 | 806 |
| 363 | Chemical industry | 1 | 23 | 2602 | 2281 |
| 369 | Immunology | 2 | 22 | 5380 | 6800 |
| 369 | Combinatorial optimization | 2 | 22 | 728 | 730 |
| 369 | Neuropharmacology | 2 | 22 | 917 | 1384 |
| 369 | Knowledge | 3 | 22 | 500 | 598 |
| 369 | Marine resources | 2 | 22 | 1037 | 1596 |
| 369 | crime | 1 | 22 | 1218 | 1022 |
| 375 | Mass Media | 7 | 21 | 662 | 1023 |
| 375 | intergroup relations | 4 | 21 | 154 | 439 |
| 375 | International Education | 2 | 21 | 349 | 522 |
| 375 | Social policy | 8 | 21 | 656 | 1771 |
| 375 | actuators | 1 | 21 | 3718 | 4235 |
| 375 | Language Arts | 2 | 21 | 140 | 206 |
| 375 | Information society | 2 | 21 | 211 | 397 |
| 375 | scientific societies | 1 | 21 | 1818 | 1958 |
| 375 | transducers | 1 | 21 | 3718 | 4235 |
| 384 | Sustainable Development | 3 | 20 | 2565 | 4261 |
| 384 | Immunotherapy | 1 | 20 | 3625 | 4133 |
| 384 | local government | 1 | 20 | 668 | 720 |
| 384 | curriculum evaluation | 1 | 20 | 708 | 722 |
| 388 | Cognitive Psychology | 1 | 19 | 841 | 719 |
| 388 | Hydrogeology | 1 | 19 | 1423 | 1438 |
| 388 | Mass Spectrometry | 4 | 19 | 1342 | 2538 |
| 388 | Strategic planning | 1 | 19 | 1500 | 1543 |
| 388 | Metacognition | 1 | 19 | 156 | 202 |
| 388 | air quality | 1 | 19 | 653 | 720 |
| 388 | civilization | 7 | 19 | 1017 | 921 |
| 388 | Radioisotopes | 3 | 19 | 1589 | 2232 |
| 388 | Paleopathology | 1 | 19 | 657 | 605 |
| 388 | Capitalism | 2 | 19 | 266 | 432 |
| 388 | Fisheries | 2 | 19 | 2418 | 3041 |
| 399 | Industrial Engineering | 2 | 18 | 2706 | 3626 |
| 399 | Industrial Sociology | 1 | 18 | 381 | 426 |
| 399 | Technology Assessment | 2 | 18 | 522 | 1214 |
| 399 | Medical Anthropology | 6 | 18 | 1075 | 3465 |
| 399 | drug addiction | 2 | 18 | 1758 | 2711 |
| 399 | alcoholism | 2 | 18 | 2266 | 3355 |
| 405 | Functional Analysis | 2 | 17 | 1648 | 1850 |
| 405 | Numerical Analysis | 2 | 17 | 3128 | 3583 |
| 405 | Dynamics | 2 | 17 | 2507 | 2880 |
| 405 | Quality Control | 1 | 17 | 3606 | 3921 |
| 405 | Combustion | 3 | 17 | 1439 | 2438 |
| 405 | Neuroendocrinology | 1 | 17 | 348 | 553 |
| 405 | Fractional Calculus | 1 | 17 | 379 | 362 |
| 405 | food handling | 1 | 17 | 1806 | 2368 |
| 405 | Europa | 1 | 17 | 1034 | 1095 |
| 414 | International Relations | 1 | 16 | 2258 | 1614 |
| 414 | Latin American Literature | 8 | 16 | 207 | 119 |
| 414 | Systems Analysis | 1 | 16 | 2233 | 2389 |
| 414 | Molecular Spectroscopy | 2 | 16 | 2529 | 3629 |
| 414 | Borderlands | 1 | 16 | 152 | 147 |
| 414 | finance | 3 | 16 | 2650 | 3550 |
| 414 | children | 2 | 16 | 812 | 1227 |
| 421 | Environmental Engineering | 3 | 15 | 4777 | 7650 |
| 421 | Community Psychology | 2 | 15 | 819 | 1409 |
| 421 | Requirements Engineering | 1 | 15 | 171 | 273 |
| 421 | Image Processing | 2 | 15 | 2866 | 3934 |
| 421 | Decision Support Systems | 1 | 15 | 694 | 751 |
| 421 | Simulation Methods | 1 | 15 | 2078 | 2195 |
| 421 | Social welfare | 1 | 15 | 1318 | 1435 |
| 421 | Folklore | 1 | 15 | 324 | 38 |
| 421 | Globalization | 3 | 15 | 622 | 1490 |
| 421 | Multimedia Systems | 1 | 15 | 3133 | 2958 |
| 431 | Pediatrics | 2 | 14 | 4029 | 5722 |
| 431 | Gender Studies | 2 | 14 | 712 | 1158 |
| 431 | American Literature | 3 | 14 | 689 | 201 |
| 431 | Paleobiology | 2 | 14 | 543 | 721 |
| 431 | Coastal zone management | 1 | 14 | 1398 | 1813 |
| 431 | Depression | 1 | 14 | 844 | 1291 |
| 431 | information policy | 2 | 14 | 72 | 121 |
| 431 | Spanish literature | 11 | 14 | 59 | 38 |
| 431 | Sociobiology | 1 | 14 | 576 | 646 |
| 431 | Biomolecules | 1 | 14 | 996 | 1438 |
| 431 | Tunneling | 1 | 14 | 623 | 879 |
| 431 | atmospheric models | 1 | 14 | 1239 | 1576 |
| 431 | underground construction | 1 | 14 | 623 | 879 |
| 444 | Philosophy | 17 | 13 | 852 | 1757 |
| 444 | Economic Geography | 2 | 13 | 522 | 842 |
| 444 | Tribology | 3 | 13 | 1422 | 2436 |
| 444 | Urban Economics | 2 | 13 | 504 | 916 |
| 444 | Environmental Geology | 1 | 13 | 2815 | 3397 |
| 444 | Environmental Education | 1 | 13 | 798 | 912 |
| 444 | Risk Management | 1 | 13 | 1698 | 2029 |
| 444 | Physical Chemistry | 2 | 13 | 3209 | 4448 |
| 444 | Labor Economics | 2 | 13 | 714 | 1085 |
| 444 | Forecasting | 2 | 13 | 802 | 1256 |
| 444 | Simulation | 1 | 13 | 517 | 727 |
| 444 | Urbanization | 4 | 13 | 194 | 602 |
| 444 | Aerosols | 4 | 13 | 596 | 1327 |
| 444 | theoretical models | 1 | 13 | 517 | 727 |
| 444 | Egypt | 1 | 13 | 1232 | 1622 |
| 459 | Zoology | 2 | 12 | 3704 | 4762 |
| 459 | Ecological Engineering | 1 | 12 | 1342 | 2039 |
| 459 | Geriatric Nursing | 2 | 12 | 723 | 1183 |
| 459 | Environmental Chemistry | 2 | 12 | 3187 | 4935 |
| 459 | Risk assessment | 1 | 12 | 1431 | 1709 |
| 459 | Behavioral research | 1 | 12 | 1193 | 1384 |
| 459 | radiative transfer | 2 | 12 | 869 | 1265 |
| 459 | Socialism | 1 | 12 | 422 | 364 |
| 459 | Ethnology | 4 | 12 | 1567 | 2897 |
| 459 | Cost effectiveness | 1 | 12 | 189 | 280 |
| 459 | recreation | 1 | 12 | 1269 | 1318 |
| 459 | Entomology | 3 | 12 | 2917 | 4262 |
| 471 | Music Therapy | 1 | 11 | 540 | 643 |
| 471 | Art Therapy | 1 | 11 | 465 | 581 |
| 471 | Production Planning | 1 | 11 | 589 | 910 |
| 471 | Multicultural Education | 3 | 11 | 421 | 808 |
| 471 | Fishery management | 1 | 11 | 1683 | 2017 |
| 471 | Fisheries Law | 1 | 11 | 319 | 452 |
| 471 | Dance therapy | 1 | 11 | 399 | 472 |
| 471 | Production Control | 1 | 11 | 575 | 903 |
| 471 | Calculus of Variations | 1 | 11 | 868 | 844 |
| 471 | Chemical structure | 1 | 11 | 1190 | 1203 |
| 471 | fisheries management | 1 | 11 | 319 | 452 |
| 471 | Education history | 2 | 11 | 121 | 137 |
| 471 | cultural pluralism | 3 | 11 | 425 | 925 |
| 471 | United Kingdom | 3 | 11 | 2147 | 4004 |
| 485 | Systems Engineering | 1 | 10 | 3990 | 4141 |
| 485 | Economic History | 13 | 10 | 2138 | 5913 |
| 485 | Community Psychiatry | 2 | 10 | 1645 | 2931 |
| 485 | Natural resources | 1 | 10 | 1551 | 2015 |
| 485 | Research Design | 2 | 10 | 2027 | 3560 |
| 485 | Quantitative Research | 1 | 10 | 413 | 641 |
| 485 | Adaptive control systems | 1 | 10 | 1145 | 1341 |
| 485 | optical instruments | 1 | 10 | 815 | 987 |
| 485 | agricultural productivity | 1 | 10 | 166 | 303 |
| 485 | marketing | 2 | 10 | 2541 | 3658 |
| 485 | concrete | 1 | 10 | 1767 | 2221 |
| 485 | Psychiatric Epidemiology | 2 | 10 | 784 | 1817 |
| 485 | Interactive multimedia | 1 | 10 | 729 | 914 |
| 485 | energy resources | 1 | 10 | 2487 | 3597 |
| 485 | Peasants | 1 | 10 | 222 | 338 |
| 500 | Computer Science | 1 | 9 | 4291 | 4514 |
| 500 | Data Mining | 2 | 9 | 2629 | 4481 |
| 500 | Language Disorders | 1 | 9 | 1632 | 2020 |
| 500 | Animal Nutrition | 1 | 9 | 1123 | 1454 |
| 500 | Total Quality Management | 1 | 9 | 1201 | 1652 |
| 500 | Socialization | 1 | 9 | 976 | 1432 |
| 500 | Multilingualism | 1 | 9 | 576 | 770 |
| 500 | Speech Disorders | 1 | 9 | 1917 | 2384 |
| 500 | Investment analysis | 2 | 9 | 1154 | 1854 |
| 500 | Technology | 3 | 9 | 5429 | 8638 |
| 500 | data collection | 1 | 9 | 2520 | 3360 |
| 500 | Hearing | 1 | 9 | 1344 | 1707 |
| 500 | Personality Assessment | 2 | 9 | 789 | 1487 |
| 500 | Stress | 1 | 9 | 657 | 1045 |
| 514 | Organizational Sociology | 1 | 8 | 669 | 906 |
| 514 | Geophysics | 1 | 8 | 5841 | 6845 |
| 514 | Geochemistry | 1 | 8 | 3416 | 4393 |
| 514 | housing policy | 1 | 8 | 269 | 379 |
| 514 | Viticulture | 1 | 8 | 287 | 422 |
| 514 | Maternal health services | 1 | 8 | 1007 | 1498 |
| 514 | Exercise therapy | 1 | 8 | 971 | 1150 |
| 514 | Housing | 1 | 8 | 956 | 1354 |
| 514 | Transport | 1 | 8 | 1267 | 1835 |
| 514 | ports | 1 | 8 | 421 | 695 |
| 514 | Sea | 1 | 8 | 1142 | 1614 |
| 514 | Fishery resources | 1 | 8 | 1279 | 1772 |
| 514 | Liposomes | 1 | 8 | 1150 | 1597 |
| 514 | Social interaction | 1 | 8 | 639 | 907 |
| 514 | Lipid bilayers | 1 | 8 | 915 | 1227 |
| 514 | viruses | 1 | 8 | 2830 | 3960 |
| 514 | Wine | 1 | 8 | 120 | 184 |
| 514 | human development | 1 | 8 | 1456 | 2049 |
| 514 | women | 2 | 8 | 1231 | 1882 |
| 514 | aerosol | 3 | 8 | 495 | 1067 |
| 514 | Meteorites | 1 | 8 | 1579 | 2196 |
| 535 | Political Science | 5 | 7 | 1703 | 3103 |
| 535 | Global Health | 1 | 7 | 2576 | 3362 |
| 535 | Mathematical Economics | 1 | 7 | 559 | 706 |
| 535 | Social Entrepreneurship | 1 | 7 | 330 | 660 |
| 535 | elder abuse | 1 | 7 | 679 | 1101 |
| 535 | Genetic algorithms | 1 | 7 | 409 | 666 |
| 535 | Business | 1 | 7 | 3924 | 4560 |
| 535 | breastfeeding | 1 | 7 | 1207 | 1785 |
| 535 | Hormones | 1 | 7 | 2605 | 3581 |
| 535 | Biometrics | 1 | 7 | 2136 | 2652 |
| 535 | Documentation | 3 | 7 | 391 | 907 |
| 535 | Steroids | 1 | 7 | 1994 | 2800 |
| 535 | family violence | 1 | 7 | 866 | 1341 |
| 535 | child abuse | 1 | 7 | 1708 | 2455 |
| 535 | brain mapping | 1 | 7 | 1273 | 1849 |
| 535 | Developing countries | 3 | 7 | 3067 | 5878 |
| 535 | language | 1 | 7 | 1520 | 1844 |
| 552 | Sustainable Engineering | 2 | 6 | 2284 | 3914 |
| 552 | Social Stratification | 2 | 6 | 114 | 293 |
| 552 | Economic Development | 2 | 6 | 2534 | 4204 |
| 552 | Systems Biology | 1 | 6 | 3266 | 4647 |
| 552 | Computational Linguistics | 1 | 6 | 1241 | 1458 |
| 552 | History of Medicine | 5 | 6 | 448 | 855 |
| 552 | Sleep Disorders | 1 | 6 | 3312 | 3893 |
| 552 | Combinatorial chemistry | 1 | 6 | 1827 | 2671 |
| 552 | Social mobility | 2 | 6 | 114 | 293 |
| 552 | Second Language Acquisition | 1 | 6 | 383 | 644 |
| 552 | Crystallography | 1 | 6 | 2965 | 3027 |
| 552 | psychophysics | 1 | 6 | 665 | 866 |
| 552 | sleep-wake cycle | 1 | 6 | 337 | 469 |
| 552 | social conflict | 2 | 6 | 325 | 670 |
| 552 | social status | 2 | 6 | 114 | 293 |
| 552 | Occupational mobility | 2 | 6 | 114 | 293 |
| 552 | Natural history | 1 | 6 | 7708 | 9397 |
| 552 | miniaturization | 1 | 6 | 3351 | 4584 |
| 552 | Cerebral cortex | 1 | 6 | 1680 | 2448 |
| 552 | Sleep | 1 | 6 | 3323 | 3904 |
| 572 | Literature | 8 | 5 | 597 | 777 |
| 572 | Law | 6 | 5 | 1282 | 2469 |
| 572 | Computational Biology | 1 | 5 | 5719 | 7243 |
| 572 | Information Retrieval | 2 | 5 | 699 | 1465 |
| 572 | Population Genetics | 1 | 5 | 2320 | 3306 |
| 572 | Radiation Protection | 1 | 5 | 1539 | 1818 |
| 572 | Geographic information systems | 1 | 5 | 2254 | 3070 |
| 572 | radiation monitoring | 1 | 5 | 1387 | 1703 |
| 572 | Subjectivity | 1 | 5 | 87 | 136 |
| 572 | Green Technology | 1 | 5 | 1071 | 1699 |
| 572 | Chromatography | 1 | 5 | 3141 | 4299 |
| 572 | Bioinformatics | 1 | 5 | 3992 | 5281 |
| 572 | philology | 21 | 5 | 212 | 610 |
| 572 | Mineral resources | 2 | 5 | 823 | 1945 |
| 572 | consumers | 1 | 5 | 794 | 1210 |
| 572 | innovation | 1 | 5 | 1198 | 1857 |
| 572 | national security | 1 | 5 | 823 | 836 |
| 572 | Radiation dosimetry | 1 | 5 | 1132 | 1399 |
| 572 | Chromatographic analysis | 1 | 5 | 3573 | 4723 |
| 572 | Sales Promotion | 1 | 5 | 279 | 507 |
| 572 | infrared technology | 1 | 5 | 499 | 588 |
| 572 | health planning | 1 | 5 | 4267 | 5761 |
| 572 | mathematical analysis | 5 | 5 | 2274 | 3913 |
| 595 | Genetics | 1 | 4 | 7125 | 9061 |
| 595 | History | 5 | 4 | 1079 | 1410 |
| 595 | Rural Development | 2 | 4 | 882 | 1682 |
| 595 | Human Geography | 2 | 4 | 1558 | 2767 |
| 595 | Bioremediation | 1 | 4 | 1807 | 2757 |
| 595 | Nanostructured Materials | 1 | 4 | 4938 | 6496 |
| 595 | Quantum Optics | 1 | 4 | 1615 | 2103 |
| 595 | Gene expression regulation | 1 | 4 | 2140 | 3130 |
| 595 | sustainability | 1 | 4 | 1746 | 2726 |
| 595 | Cell differentiation | 1 | 4 | 3181 | 4517 |
| 595 | DNA methylation | 1 | 4 | 712 | 1284 |
| 595 | cross-cultural comparison | 1 | 4 | 1210 | 1903 |
| 595 | Laser Spectroscopy | 1 | 4 | 1540 | 2013 |
| 595 | Educational evaluation | 1 | 4 | 404 | 601 |
| 595 | eugenics | 1 | 4 | 1457 | 2284 |
| 610 | Algebra | 1 | 3 | 2394 | 2555 |
| 610 | Language Acquisition | 2 | 3 | 577 | 1197 |
| 610 | Language Development | 1 | 3 | 449 | 738 |
| 610 | Classical Philology | 1 | 3 | 546 | 394 |
| 610 | health behavior | 1 | 3 | 2099 | 3320 |
| 610 | sanitation | 1 | 3 | 2894 | 4334 |
| 610 | terrorism | 3 | 3 | 321 | 914 |
| 610 | Diagnostic Imaging | 1 | 3 | 4190 | 5549 |
| 610 | E-Learning | 1 | 3 | 97 | 197 |
| 610 | Religion and Culture | 1 | 3 | 711 | 1005 |
| 610 | Pesticides | 1 | 3 | 1437 | 2256 |
| 610 | Futures | 1 | 3 | 660 | 1038 |
| 610 | sports administration | 1 | 3 | 623 | 1049 |
| 610 | Web-based instruction | 1 | 3 | 131 | 293 |
| 610 | immigration | 1 | 3 | 451 | 786 |
| 610 | migration policy | 1 | 3 | 478 | 880 |
| 610 | Asylum seeker | 1 | 3 | 377 | 730 |
| 610 | economic development projects | 1 | 3 | 489 | 975 |
| 610 | World Wide Web | 1 | 3 | 973 | 1487 |
| 610 | drug toxicity | 1 | 3 | 1108 | 1952 |
| 630 | Applied Mathematics | 2 | 2 | 1458 | 2318 |
| 630 | Comparative Literature | 1 | 2 | 502 | 236 |
| 630 | Psychoneuroimmunology | 1 | 2 | 1413 | 2144 |
| 630 | Functional equations | 1 | 2 | 539 | 759 |
| 630 | Neuroimmunology | 1 | 2 | 1541 | 2387 |
| 630 | Feminism | 1 | 2 | 1152 | 1649 |
| 630 | Biodiversity conservation | 1 | 2 | 2983 | 4321 |
| 630 | sexual orientation | 1 | 2 | 293 | 594 |
| 630 | Fluorescence spectroscopy | 1 | 2 | 630 | 1100 |
| 630 | Inflammation | 1 | 2 | 2573 | 3870 |
| 630 | Gender identity | 1 | 2 | 660 | 953 |
| 630 | Federal government | 1 | 2 | 345 | 571 |
| 630 | probabilities | 1 | 2 | 2173 | 2774 |
| 630 | Culture | 1 | 2 | 2126 | 2910 |
| 630 | plant communities | 1 | 2 | 1921 | 2991 |
| 630 | Fluorescence | 1 | 2 | 1059 | 1730 |
| 630 | Middle Ages | 3 | 2 | 224 | 442 |
| 630 | Agriculture | 2 | 2 | 3488 | 6103 |
| 648 | Arts | 3 | 1 | 589 | 1264 |
| 648 | Occupational Therapy | 1 | 1 | 2340 | 3435 |
| 648 | Nuclear Energy | 1 | 1 | 2250 | 3046 |
| 648 | Geometry | 1 | 1 | 2050 | 2526 |
| 648 | Paleoclimatology | 1 | 1 | 1810 | 2647 |
| 648 | Thermodynamics | 1 | 1 | 2260 | 3197 |
| 648 | Occupational Health | 1 | 1 | 2586 | 3902 |
| 648 | Visual Communication | 1 | 1 | 1001 | 1603 |
| 648 | Avionics | 1 | 1 | 58 | 159 |
| 648 | Algorithms | 2 | 1 | 1057 | 2092 |
| 648 | Industrial Safety | 1 | 1 | 2552 | 3980 |
| 648 | Operator theory | 1 | 1 | 842 | 1145 |
| 648 | industrial hygiene | 1 | 1 | 2614 | 3910 |
| 648 | Popular culture | 1 | 1 | 1051 | 1307 |
| 648 | Religion | 1 | 1 | 2033 | 2174 |
| 648 | Intellectual Property | 1 | 1 | 484 | 785 |
| 648 | Democracy | 1 | 1 | 735 | 972 |
| 648 | Social Security | 1 | 1 | 171 | 351 |
| 648 | Bioethics | 1 | 1 | 1908 | 2983 |
| 648 | Democratization | 1 | 1 | 324 | 636 |
| 648 | Paleogeography | 1 | 1 | 1567 | 2296 |
| 648 | Constitutional History | 1 | 1 | 35 | 13 |
| 648 | War and Society | 1 | 1 | 428 | 732 |
| 648 | Yugoslavia | 1 | 1 | 285 | 372 |
| 648 | feeding behavior | 1 | 1 | 1552 | 2492 |
| 648 | land tenure | 1 | 1 | 170 | 386 |
| 648 | Africa | 1 | 1 | 3323 | 4847 |
| 648 | Land reform | 1 | 1 | 178 | 408 |
| 648 | Prisons | 1 | 1 | 662 | 1094 |
| 648 | mosaics | 3 | 1 | 4 | 9 |
| 648 | civil service | 1 | 1 | 760 | 1218 |
| 648 | Navigation | 1 | 1 | 904 | 1447 |
| 680 | Constitutional Law | 1 | 0 | 475 | 614 |
| 680 | Fiction | 1 | 0 | 336 | 523 |
| 680 | Ethics | 1 | 0 | 2108 | 3670 |
| 680 | Phenomenology | 1 | 0 | 544 | 807 |
| 680 | Health Services Research | 1 | 0 | 3704 | 5916 |
| 680 | Criminal psychology | 1 | 0 | 1403 | 2254 |
| 680 | International Law | 2 | 0 | 563 | 1057 |
| 680 | Sports Medicine | 1 | 0 | 4665 | 6269 |
| 680 | Social Networks | 1 | 0 | 757 | 1458 |
| 680 | Boundary Value Problems | 1 | 0 | 829 | 1348 |
| 680 | Trade Policy | 3 | 0 | 15 | 41 |
| 680 | Energy Consumption | 1 | 0 | 523 | 1217 |
| 680 | mediation | 1 | 0 | 202 | 501 |
| 680 | civil rights | 1 | 0 | 854 | 1492 |
| 680 | Bilingualism | 1 | 0 | 431 | 823 |
| 680 | Utilitarianism | 1 | 0 | 29 | 74 |
| 680 | Political Participation | 1 | 0 | 625 | 1083 |
| 680 | election law | 1 | 0 | 465 | 832 |
| 680 | Dharma | 1 | 0 | 36 | 80 |
| 680 | Health insurance | 1 | 0 | 1054 | 2110 |
| 680 | Sexuality | 1 | 0 | 691 | 1334 |
| 680 | Environmental risk assessment | 1 | 0 | 996 | 1958 |
| 680 | sadness | 1 | 0 | 556 | 1210 |
| 680 | environmental control | 1 | 0 | 563 | 1142 |
| 680 | Buddhism | 1 | 0 | 284 | 283 |
| 680 | machinery | 1 | 0 | 1543 | 2442 |
| 680 | Input-output analysis | 1 | 0 | 577 | 1021 |
| 680 | economic conditions | 1 | 0 | 1263 | 1946 |
| 680 | Communication in politics | 1 | 0 | 555 | 1170 |
| 680 | industrial waste | 1 | 0 | 1666 | 2855 |
| 680 | Comparative Law | 3 | 0 | 250 | 705 |
| 680 | Elections | 2 | 0 | 455 | 1022 |
| 680 | commerce | 3 | 0 | 1897 | 4415 |
| 680 | administrative agencies | 1 | 0 | 606 | 1040 |
| 680 | pain | 1 | 0 | 2842 | 4227 |
| 680 | Catholic Church | 1 | 0 | 673 | 660 |
| 680 | death | 1 | 0 | 717 | 1458 |
| 680 | Suicide | 1 | 0 | 1222 | 2222 |
| 680 | Jews | 1 | 0 | 571 | 722 |
| 680 | Voting | 1 | 0 | 425 | 784 |
| 680 | Argentina | 2 | 0 | 302 | 608 |
| 680 | antisocial personality disorder | 1 | 0 | 556 | 1210 |
| 680 | Hinduism | 1 | 0 | 88 | 138 |
| 680 | bees | 1 | 0 | 803 | 1429 |
| 680 | Birth control | 1 | 0 | 1049 | 2015 |
