| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Pollution | 21 | 2,139 | 2.5K | 1.5K |
| 2 | environmental pollution | 18 | 1,996 | 2.0K | 873 |
| 3 | Toxicology | 16 | 1,786 | 2.6K | 1.1K |
| 3 | pollutants | 16 | 1,786 | 692 | 254 |
| 3 | Environmental pollutants | 16 | 1,786 | 920 | 310 |
| 6 | Environmental Chemistry | 14 | 1,754 | 1.1K | 536 |
| 7 | Marine Biology | 15 | 1,295 | 1.3K | 652 |
| 8 | Water pollution | 10 | 1,210 | 1.6K | 667 |
| 9 | Marine Pollution | 8 | 1,184 | 576 | 151 |
| 10 | Physics | 9 | 1,126 | 7.6K | 5.4K |
| 11 | Astronomy | 81 | 887 | 781 | 1.2K |
| 12 | Psychology | 23 | 657 | 2.3K | 2.2K |
| 13 | Astrophysics | 35 | 516 | 1.2K | 1.6K |
| 14 | Environmental Health | 7 | 497 | 4.6K | 3.2K |
| 15 | Nuclear Physics | 15 | 474 | 2.7K | 2.1K |
| 16 | United States | 56 | 443 | 1.3K | 2.5K |
| 17 | Economics | 18 | 438 | 2.1K | 1.6K |
| 18 | primary prevention | 2 | 418 | 679 | 102 |
| 19 | Education | 25 | 389 | 1.5K | 1.2K |
| 20 | Behavior | 12 | 348 | 1.8K | 2.0K |
| 21 | Sports | 26 | 299 | 931 | 1.2K |
| 22 | biological evolution | 5 | 295 | 2.0K | 1.7K |
| 23 | Exercise | 17 | 294 | 568 | 656 |
| 24 | Physical fitness | 14 | 274 | 504 | 678 |
| 25 | Science | 15 | 268 | 7.5K | 9.9K |
| 26 | Child psychology | 5 | 254 | 1.4K | 1.2K |
| 27 | Ecology | 4 | 252 | 6.5K | 5.4K |
| 28 | Small Business | 2 | 241 | 881 | 638 |
| 29 | Post-traumatic stress disorder | 9 | 231 | 456 | 535 |
| 29 | Phylogeny | 3 | 231 | 1.0K | 578 |
| 31 | Psychiatry | 14 | 228 | 2.9K | 3.8K |
| 32 | Environmental Toxicology | 3 | 215 | 3.0K | 2.2K |
| 33 | Medicine | 9 | 214 | 9.7K | 10.0K |
| 34 | Research | 8 | 212 | 8.4K | 8.1K |
| 35 | Molecular Genetics | 2 | 209 | 2.8K | 1.8K |
| 35 | Molecular evolution | 2 | 209 | 2.2K | 1.3K |
| 37 | Environmental Management | 1 | 183 | 4.6K | 2.5K |
| 37 | Environmental risk assessment | 1 | 183 | 988 | 201 |
| 37 | environmental control | 1 | 183 | 577 | 144 |
| 40 | Environment | 6 | 179 | 4.4K | 5.6K |
| 41 | Animal Behavior | 9 | 173 | 1.1K | 1.6K |
| 42 | Plant Ecology | 2 | 169 | 2.2K | 1.5K |
| 43 | Histochemistry | 1 | 164 | 2.3K | 881 |
| 43 | histological techniques | 1 | 164 | 1.5K | 878 |
| 45 | Child Development | 7 | 156 | 1.5K | 1.8K |
| 46 | Sports Medicine | 16 | 144 | 1.5K | 2.1K |
| 47 | scientific societies | 6 | 134 | 643 | 748 |
| 48 | Educational Psychology | 14 | 131 | 618 | 1.0K |
| 49 | Learning disabilities | 7 | 128 | 587 | 662 |
| 50 | Biochemistry | 4 | 127 | 8.9K | 8.1K |
| 51 | Strategic planning | 2 | 118 | 987 | 576 |
| 52 | Botany | 5 | 116 | 3.6K | 3.9K |
| 53 | Special Education | 5 | 114 | 662 | 540 |
| 54 | Climate change | 1 | 111 | 2.1K | 1.9K |
| 54 | Biodiversity conservation | 1 | 111 | 3.1K | 2.3K |
| 54 | Eutrophication | 1 | 111 | 1.9K | 1.8K |
| 57 | Chemistry | 9 | 110 | 7.9K | 10.1K |
| 58 | Algae | 3 | 107 | 925 | 844 |
| 59 | Ethology | 3 | 103 | 1.5K | 1.7K |
| 60 | Lattice Theory | 8 | 94 | 92 | 62 |
| 61 | Biology | 11 | 91 | 7.8K | 12.0K |
| 62 | Business Ethics | 1 | 88 | 1.7K | 1.3K |
| 63 | Mathematics | 34 | 86 | 2.4K | 4.1K |
| 63 | Information Systems | 3 | 86 | 1.6K | 1.4K |
| 65 | Zoology | 4 | 81 | 2.8K | 2.4K |
| 66 | Clinical Psychology | 2 | 79 | 2.4K | 2.3K |
| 67 | Transportation | 7 | 78 | 968 | 1.4K |
| 67 | Roads | 7 | 78 | 534 | 592 |
| 67 | finance | 4 | 78 | 2.0K | 1.8K |
| 70 | plant communities | 1 | 77 | 2.0K | 1.6K |
| 71 | Reading | 4 | 76 | 470 | 495 |
| 72 | Quantum Gravity | 11 | 75 | 1.4K | 1.9K |
| 73 | counseling | 3 | 74 | 1.6K | 1.4K |
| 74 | Materials | 1 | 72 | 8.3K | 6.1K |
| 74 | Literacy | 3 | 72 | 278 | 194 |
| 76 | behavior therapy | 4 | 71 | 777 | 984 |
| 76 | Spectrum analysis | 3 | 71 | 4.5K | 4.3K |
| 78 | International Relations | 10 | 70 | 909 | 952 |
| 78 | Natural history | 5 | 70 | 4.3K | 7.4K |
| 78 | Psychophysiology | 8 | 70 | 2.1K | 3.6K |
| 81 | epilepsy | 2 | 69 | 1.4K | 1.2K |
| 82 | Neurology | 5 | 67 | 5.5K | 7.0K |
| 82 | Comparative Psychology | 5 | 67 | 61 | 182 |
| 84 | Optics | 17 | 65 | 2.5K | 4.1K |
| 84 | Photography | 17 | 65 | 645 | 598 |
| 86 | Latin America | 12 | 64 | 964 | 814 |
| 86 | psychotherapy | 7 | 64 | 1.0K | 1.6K |
| 88 | Artificial Intelligence | 2 | 63 | 5.0K | 3.9K |
| 88 | Mental Disorders | 4 | 63 | 3.9K | 4.7K |
| 90 | Formal Languages | 1 | 62 | 503 | 120 |
| 90 | Computational Complexity | 1 | 62 | 1.8K | 715 |
| 90 | Vocational guidance | 3 | 62 | 869 | 913 |
| 93 | Information Science | 1 | 59 | 3.6K | 2.1K |
| 94 | health behavior | 2 | 58 | 1.6K | 1.5K |
| 95 | Experience | 1 | 57 | 86 | 26 |
| 96 | Health Education | 5 | 54 | 1.7K | 2.4K |
| 97 | child abuse | 2 | 52 | 1.1K | 1.2K |
| 98 | Public Health | 5 | 51 | 6.2K | 8.2K |
| 98 | human behavior | 4 | 51 | 2.3K | 3.7K |
| 100 | Learning | 3 | 50 | 1.4K | 1.7K |
| 101 | intervention | 2 | 49 | 152 | 96 |
| 102 | Engineering | 6 | 48 | 3.7K | 4.9K |
| 102 | Civil Engineering | 5 | 48 | 1.5K | 1.4K |
| 104 | Sociology | 5 | 44 | 2.7K | 3.7K |
| 104 | Environmental Engineering | 5 | 44 | 3.7K | 5.8K |
| 104 | Vocational Education | 3 | 44 | 611 | 684 |
| 104 | recreation | 9 | 44 | 375 | 735 |
| 108 | Criminology | 6 | 43 | 722 | 1.2K |
| 109 | Environmental monitoring | 2 | 42 | 5.1K | 5.8K |
| 109 | management | 5 | 42 | 2.6K | 3.6K |
| 111 | Business | 7 | 39 | 1.4K | 2.4K |
| 112 | Aerospace Engineering | 1 | 36 | 760 | 322 |
| 113 | Medical Laboratory Science | 2 | 35 | 3.4K | 4.2K |
| 113 | Library Science | 13 | 35 | 504 | 1.1K |
| 115 | Genetics | 1 | 34 | 7.1K | 6.9K |
| 115 | speech therapy | 1 | 34 | 815 | 653 |
| 115 | language therapy | 1 | 34 | 288 | 252 |
| 118 | Microbiology | 3 | 33 | 8.1K | 10.4K |
| 118 | Socialization | 3 | 33 | 568 | 1.1K |
| 118 | role | 3 | 33 | 468 | 927 |
| 121 | environmental protection | 2 | 32 | 4.8K | 5.8K |
| 121 | Communication | 2 | 32 | 2.7K | 2.7K |
| 121 | Writing | 2 | 32 | 378 | 507 |
| 121 | environmental exposure | 2 | 32 | 2.9K | 3.5K |
| 121 | Biodiversity | 2 | 32 | 3.5K | 3.9K |
| 121 | Cognition | 4 | 32 | 1.7K | 2.6K |
| 127 | Molecular Biology | 3 | 31 | 9.5K | 12.0K |
| 127 | Seaweed | 1 | 31 | 1.2K | 1.2K |
| 129 | Biomedical Engineering | 2 | 30 | 7.1K | 7.8K |
| 129 | Gender Studies | 1 | 30 | 971 | 809 |
| 129 | Organizational change | 4 | 30 | 668 | 1.1K |
| 129 | Feminism | 1 | 30 | 1.1K | 743 |
| 129 | Health promotion | 1 | 30 | 3.4K | 2.9K |
| 129 | China | 2 | 30 | 3.9K | 4.1K |
| 129 | Algal blooms | 2 | 30 | 289 | 514 |
| 129 | Cyanobacteria | 2 | 30 | 289 | 514 |
| 129 | crime | 3 | 30 | 721 | 927 |
| 129 | microalgae | 2 | 30 | 289 | 514 |
| 139 | Geriatrics | 1 | 27 | 6.0K | 5.0K |
| 139 | Epidemiology | 2 | 27 | 6.1K | 7.1K |
| 139 | Energy Policy | 1 | 27 | 3.1K | 3.3K |
| 139 | Elderly | 1 | 27 | 2.7K | 1.6K |
| 139 | older people | 1 | 27 | 3.4K | 2.4K |
| 139 | energy resources | 1 | 27 | 1.4K | 1.8K |
| 145 | Marine Ecology | 2 | 26 | 955 | 1.2K |
| 145 | Econometrics | 3 | 26 | 1.6K | 1.9K |
| 145 | Dance | 7 | 26 | 184 | 229 |
| 145 | Social History | 1 | 26 | 1.2K | 615 |
| 145 | Ornithology | 2 | 26 | 1.4K | 1.5K |
| 145 | ecosystem | 2 | 26 | 1.9K | 2.8K |
| 145 | Birds | 2 | 26 | 1.7K | 1.8K |
| 152 | Substance Abuse | 2 | 25 | 2.2K | 2.7K |
| 152 | Personality Assessment | 2 | 25 | 808 | 1.2K |
| 152 | Prisons | 2 | 25 | 460 | 452 |
| 152 | Mental illness | 2 | 25 | 3.4K | 4.3K |
| 156 | Public Health Administration | 3 | 24 | 588 | 721 |
| 156 | Family | 2 | 24 | 1.4K | 1.8K |
| 156 | families | 2 | 24 | 1.2K | 1.4K |
| 159 | Biophysics | 2 | 23 | 8.0K | 8.8K |
| 159 | Sustainable Development | 2 | 23 | 2.7K | 3.5K |
| 159 | Wind power | 1 | 23 | 609 | 552 |
| 162 | Social Sciences | 4 | 22 | 4.0K | 5.0K |
| 162 | Statistics | 3 | 22 | 3.2K | 3.8K |
| 162 | Pediatrics | 1 | 22 | 5.1K | 5.1K |
| 162 | Institutional Economics | 1 | 22 | 387 | 255 |
| 162 | Genetic variation | 1 | 22 | 280 | 289 |
| 162 | System analysis | 1 | 22 | 4.4K | 3.8K |
| 162 | polar regions | 1 | 22 | 1.3K | 1.3K |
| 162 | Adolescent | 4 | 22 | 2.4K | 3.9K |
| 162 | child behavior | 1 | 22 | 752 | 852 |
| 162 | Southern states | 2 | 22 | 442 | 442 |
| 172 | Medical Technology | 1 | 21 | 4.0K | 3.9K |
| 172 | Catalysis | 1 | 21 | 4.8K | 5.0K |
| 172 | Teaching | 2 | 21 | 2.3K | 2.4K |
| 172 | Educational measurement | 3 | 21 | 202 | 348 |
| 172 | men | 1 | 21 | 705 | 681 |
| 172 | masculinity | 1 | 21 | 203 | 269 |
| 172 | Europe | 8 | 21 | 2.6K | 5.2K |
| 172 | Aquatic ecology | 3 | 21 | 1.2K | 1.9K |
| 180 | Juvenile delinquency | 2 | 20 | 379 | 540 |
| 180 | Natural resources | 1 | 20 | 1.3K | 1.4K |
| 182 | Immunology | 2 | 19 | 5.4K | 7.0K |
| 182 | Cosmology | 2 | 19 | 1.6K | 1.6K |
| 182 | Particle Physics | 2 | 19 | 929 | 937 |
| 182 | Child welfare | 1 | 19 | 2.0K | 2.0K |
| 182 | child sexual abuse | 2 | 19 | 210 | 425 |
| 182 | Social work | 1 | 19 | 2.8K | 2.4K |
| 188 | Organic Chemistry | 1 | 18 | 4.9K | 4.9K |
| 188 | Career development | 1 | 18 | 843 | 817 |
| 188 | Cognitive Therapy | 3 | 18 | 717 | 1.3K |
| 188 | Marine invertebrates | 2 | 18 | 380 | 507 |
| 188 | Labor Unions | 1 | 18 | 600 | 418 |
| 188 | labor | 1 | 18 | 680 | 280 |
| 188 | Labor history | 1 | 18 | 228 | 111 |
| 188 | Labor Movement | 1 | 18 | 581 | 289 |
| 188 | synthesis | 1 | 18 | 2.0K | 1.8K |
| 197 | Geography | 1 | 17 | 4.0K | 3.9K |
| 197 | Cytology | 1 | 17 | 7.2K | 7.9K |
| 197 | Ecosystem management | 2 | 17 | 944 | 1.5K |
| 200 | Clinical Trials | 2 | 16 | 628 | 1.2K |
| 200 | Economic History | 1 | 16 | 6.0K | 4.6K |
| 200 | Change management | 1 | 16 | 272 | 234 |
| 200 | Research Design | 2 | 16 | 1.7K | 2.8K |
| 200 | Wetland ecology | 1 | 16 | 1.1K | 1.2K |
| 200 | Wetland conservation | 1 | 16 | 796 | 903 |
| 200 | Wetlands | 1 | 16 | 810 | 904 |
| 207 | Financial Engineering | 1 | 15 | 515 | 529 |
| 207 | Obesity | 2 | 15 | 3.1K | 4.8K |
| 207 | Eating Disorders | 2 | 15 | 1.3K | 2.0K |
| 207 | Feeding and Eating Disorders | 2 | 15 | 1.3K | 2.0K |
| 207 | Mycology | 1 | 15 | 2.9K | 3.1K |
| 207 | feeding behavior | 2 | 15 | 911 | 1.7K |
| 207 | biological invasions | 1 | 15 | 1.2K | 1.6K |
| 214 | Biotechnology | 1 | 14 | 10.3K | 11.3K |
| 214 | Industrial Microbiology | 1 | 14 | 3.8K | 4.6K |
| 214 | intimate partner violence | 2 | 14 | 47 | 94 |
| 214 | Risk | 1 | 14 | 1.3K | 1.6K |
| 214 | insurance | 1 | 14 | 641 | 648 |
| 214 | spousal abuse | 2 | 14 | 47 | 94 |
| 220 | Neurochemistry | 1 | 13 | 4.0K | 4.8K |
| 220 | Adolescent Psychology | 4 | 13 | 832 | 2.0K |
| 220 | economic policy | 4 | 13 | 2.4K | 3.6K |
| 220 | Hospitals | 1 | 13 | 2.1K | 2.3K |
| 224 | Linguistics | 2 | 12 | 2.1K | 2.1K |
| 224 | corrections | 1 | 12 | 354 | 356 |
| 224 | punishment | 1 | 12 | 212 | 253 |
| 224 | Suicide | 1 | 12 | 1.2K | 1.6K |
| 228 | Political Science | 7 | 11 | 1.6K | 2.8K |
| 228 | Physiology | 2 | 11 | 5.9K | 8.2K |
| 228 | Serology | 1 | 11 | 1.2K | 1.6K |
| 228 | Bacteriology | 1 | 11 | 3.2K | 4.1K |
| 228 | Cell division | 1 | 11 | 1.4K | 1.9K |
| 228 | sports administration | 1 | 11 | 591 | 751 |
| 234 | Ecological Genetics | 1 | 10 | 1.4K | 1.7K |
| 234 | Public Policy | 1 | 10 | 3.2K | 4.1K |
| 234 | Conservation Biology | 1 | 10 | 2.1K | 2.6K |
| 234 | Population Genetics | 1 | 10 | 2.4K | 3.1K |
| 234 | Radio wave propagation | 1 | 10 | 1.8K | 1.8K |
| 234 | animals | 1 | 10 | 2.8K | 3.1K |
| 234 | Brain | 1 | 10 | 4.0K | 4.9K |
| 234 | national security | 4 | 10 | 394 | 717 |
| 242 | Graph Theory | 6 | 9 | 540 | 1.2K |
| 242 | Systems Analysis | 1 | 9 | 2.1K | 2.7K |
| 242 | International Finance | 2 | 9 | 1.5K | 2.4K |
| 242 | marketing | 2 | 9 | 2.1K | 3.1K |
| 242 | libraries | 3 | 9 | 814 | 911 |
| 242 | Combinatorial analysis | 7 | 9 | 605 | 1.2K |
| 242 | Espionage | 3 | 9 | 51 | 72 |
| 242 | health planning | 1 | 9 | 3.3K | 4.1K |
| 242 | motor skills | 1 | 9 | 453 | 610 |
| 251 | Anatomy | 1 | 8 | 3.8K | 4.6K |
| 251 | Restorative justice | 3 | 8 | 137 | 387 |
| 251 | Medical Microbiology | 1 | 8 | 4.5K | 6.0K |
| 251 | International Law | 2 | 8 | 861 | 756 |
| 251 | Poetry | 3 | 8 | 31 | 66 |
| 251 | violence | 2 | 8 | 1.3K | 2.4K |
| 251 | sex crimes | 2 | 8 | 872 | 1.6K |
| 258 | Law | 2 | 7 | 2.3K | 2.2K |
| 258 | Meteorology | 1 | 7 | 4.0K | 5.2K |
| 258 | foreign policy | 1 | 7 | 583 | 469 |
| 258 | organized crime | 1 | 7 | 145 | 246 |
| 258 | Technology | 3 | 7 | 5.1K | 8.5K |
| 258 | Developmental Disabilities | 1 | 7 | 1.9K | 2.8K |
| 258 | Arab-Israeli Conflict | 1 | 7 | 253 | 254 |
| 258 | Quality of life | 1 | 7 | 3.2K | 4.5K |
| 258 | Diplomatic relations | 1 | 7 | 1.5K | 1.1K |
| 258 | Middle East | 1 | 7 | 1.9K | 1.5K |
| 258 | Intellectual disability | 1 | 7 | 1.8K | 2.3K |
| 258 | Perception | 2 | 7 | 1.1K | 1.8K |
| 270 | Materials Science | 1 | 6 | 7.6K | 8.5K |
| 270 | Nanotechnology | 3 | 6 | 5.8K | 9.3K |
| 270 | Transportation Engineering | 1 | 6 | 732 | 1.1K |
| 270 | Ethics | 2 | 6 | 1.5K | 2.6K |
| 270 | Environmental Policy | 1 | 6 | 5.3K | 7.1K |
| 270 | Genetic algorithms | 1 | 6 | 602 | 949 |
| 270 | social justice | 1 | 6 | 746 | 844 |
| 270 | curriculum evaluation | 1 | 6 | 259 | 518 |
| 278 | Anthropology | 2 | 5 | 2.4K | 3.5K |
| 278 | Nursing | 1 | 5 | 3.9K | 4.7K |
| 278 | Educational Leadership | 4 | 5 | 127 | 453 |
| 278 | Organizational learning | 1 | 5 | 1.1K | 1.4K |
| 278 | Religion | 16 | 5 | 440 | 1.7K |
| 278 | Medical Ethics | 1 | 5 | 2.7K | 3.3K |
| 278 | Knowledge management | 1 | 5 | 1.0K | 1.3K |
| 278 | Exercise therapy | 1 | 5 | 955 | 1.3K |
| 278 | Societies | 1 | 5 | 602 | 644 |
| 278 | Jurisprudence | 1 | 5 | 2.1K | 2.7K |
| 278 | Navigation | 1 | 5 | 1.1K | 1.3K |
| 278 | Consciousness | 1 | 5 | 869 | 1.2K |
| 278 | muscle strength | 1 | 5 | 239 | 331 |
| 291 | Comparative Physiology | 1 | 4 | 1.3K | 2.0K |
| 291 | Organizational Behavior | 2 | 4 | 697 | 1.4K |
| 291 | Signal Processing | 3 | 4 | 2.7K | 5.1K |
| 291 | Democracy | 1 | 4 | 735 | 754 |
| 291 | Cold War | 1 | 4 | 331 | 238 |
| 291 | election law | 1 | 4 | 242 | 410 |
| 291 | Gerontology | 1 | 4 | 4.1K | 4.8K |
| 291 | Aging | 1 | 4 | 5.5K | 6.5K |
| 299 | American Literature | 7 | 3 | 481 | 600 |
| 299 | Geographic information systems | 3 | 3 | 1.3K | 3.2K |
| 299 | emergency management | 1 | 3 | 2.0K | 2.9K |
| 299 | nutrition policy | 1 | 3 | 249 | 426 |
| 299 | Chromatography | 1 | 3 | 3.1K | 4.4K |
| 299 | Telecommunication | 1 | 3 | 4.4K | 5.2K |
| 299 | Chromatographic analysis | 1 | 3 | 3.6K | 4.9K |
| 299 | freshwater biology | 1 | 3 | 1.7K | 2.6K |
| 299 | Spain | 2 | 3 | 1.0K | 1.4K |
| 299 | natural disasters | 1 | 3 | 2.5K | 3.6K |
| 309 | History | 8 | 2 | 842 | 1.8K |
| 309 | Oceanography | 1 | 2 | 2.8K | 3.9K |
| 309 | World History | 1 | 2 | 423 | 479 |
| 309 | Environmental Law | 1 | 2 | 2.0K | 3.0K |
| 309 | Computational Biology | 1 | 2 | 6.0K | 8.0K |
| 309 | Systems Biology | 1 | 2 | 3.4K | 4.9K |
| 309 | Regional Planning | 2 | 2 | 2.1K | 3.8K |
| 309 | Religion and Politics | 1 | 2 | 320 | 396 |
| 309 | Educational Technology | 1 | 2 | 3.0K | 4.3K |
| 309 | Operations Research | 1 | 2 | 3.4K | 4.6K |
| 309 | Viticulture | 1 | 2 | 297 | 545 |
| 309 | Ideology | 1 | 2 | 167 | 269 |
| 309 | Biocompatible Materials | 1 | 2 | 6.1K | 8.1K |
| 309 | Bioinformatics | 1 | 2 | 4.4K | 6.0K |
| 309 | Libertarianism | 1 | 2 | 92 | 170 |
| 309 | Outdoor Education | 1 | 2 | 167 | 303 |
| 309 | hazard mitigation | 1 | 2 | 1.9K | 3.0K |
| 309 | Adventure education | 1 | 2 | 119 | 259 |
| 309 | organizational effectiveness | 1 | 2 | 1.0K | 1.7K |
| 309 | journals | 1 | 2 | 322 | 250 |
| 309 | school environment | 1 | 2 | 219 | 469 |
| 309 | Radio waves | 1 | 2 | 1.6K | 2.2K |
| 309 | Wine | 1 | 2 | 121 | 270 |
| 309 | Radio | 1 | 2 | 2.8K | 3.7K |
| 309 | city planning | 2 | 2 | 2.0K | 3.8K |
| 309 | Performance | 1 | 2 | 710 | 1.1K |
| 309 | Law enforcement | 1 | 2 | 202 | 383 |
| 309 | police | 1 | 2 | 744 | 1.0K |
| 309 | language | 8 | 2 | 513 | 2.2K |
| 338 | Literature | 2 | 1 | 1.2K | 1.2K |
| 338 | Experimental Psychology | 1 | 1 | 1.0K | 1.6K |
| 338 | Engineering Geology | 1 | 1 | 2.2K | 3.2K |
| 338 | Mental Health | 1 | 1 | 3.4K | 5.2K |
| 338 | Computational Linguistics | 1 | 1 | 1.2K | 1.8K |
| 338 | Discrete Mathematics | 1 | 1 | 726 | 982 |
| 338 | vibration | 1 | 1 | 2.0K | 3.0K |
| 338 | Language and Education | 1 | 1 | 181 | 269 |
| 338 | Professional ethics | 1 | 1 | 694 | 1.4K |
| 338 | psychophysics | 1 | 1 | 653 | 1.0K |
| 338 | international trade | 1 | 1 | 1.3K | 2.0K |
| 338 | civilization | 8 | 1 | 917 | 2.3K |
| 338 | graph | 1 | 1 | 726 | 982 |
| 338 | Educational Innovation | 1 | 1 | 181 | 345 |
| 338 | Biometrics | 1 | 1 | 2.2K | 3.2K |
| 338 | Social problems | 1 | 1 | 911 | 1.5K |
| 338 | North America | 1 | 1 | 1.5K | 2.5K |
| 338 | Italian language | 1 | 1 | 250 | 155 |
| 338 | Attention | 1 | 1 | 1.2K | 2.0K |
| 357 | Industrial Engineering | 1 | 0 | 3.6K | 5.4K |
| 357 | Archaeology | 1 | 0 | 2.3K | 3.2K |
| 357 | Systems Engineering | 1 | 0 | 4.0K | 5.7K |
| 357 | Geology | 1 | 0 | 4.7K | 6.4K |
| 357 | Marine Engineering | 1 | 0 | 996 | 1.4K |
| 357 | Mathematics Education | 1 | 0 | 894 | 1.4K |
| 357 | Anthropological Linguistics | 1 | 0 | 657 | 1.0K |
| 357 | Fluid Mechanics | 2 | 0 | 2.7K | 4.7K |
| 357 | Ceramics | 1 | 0 | 2.9K | 4.1K |
| 357 | Naval Architecture | 1 | 0 | 930 | 1.4K |
| 357 | Political Sociology | 1 | 0 | 818 | 1.4K |
| 357 | Public Administration | 1 | 0 | 2.7K | 4.1K |
| 357 | Biomass Energy | 1 | 0 | 3.7K | 5.2K |
| 357 | Wildlife conservation | 1 | 0 | 1.7K | 2.7K |
| 357 | Leadership | 1 | 0 | 679 | 1.3K |
| 357 | Advertising | 1 | 0 | 696 | 1.2K |
| 357 | Metabolic syndrome | 1 | 0 | 647 | 1.3K |
| 357 | Military Ethics | 1 | 0 | 77 | 188 |
| 357 | Reformation | 4 | 0 | 74 | 178 |
| 357 | ceramic engineering | 1 | 0 | 226 | 364 |
| 357 | Russia | 1 | 0 | 1.1K | 946 |
| 357 | East Asia | 2 | 0 | 1.3K | 2.2K |
| 357 | Eastern Europe | 1 | 0 | 2.5K | 3.2K |
| 357 | Renaissance | 1 | 0 | 1.0K | 688 |
| 357 | Ethnology | 1 | 0 | 2.9K | 4.1K |
| 357 | Asia | 1 | 0 | 5.2K | 7.6K |
| 357 | Africa | 3 | 0 | 2.0K | 5.0K |
| 357 | England | 4 | 0 | 185 | 628 |
| 357 | technical education | 1 | 0 | 1.2K | 2.1K |
| 357 | College | 2 | 0 | 130 | 226 |
| 357 | Scotland | 1 | 0 | 301 | 589 |
| 357 | Culture | 2 | 0 | 1.6K | 3.5K |
| 357 | strategy | 1 | 0 | 490 | 795 |
| 357 | Decision making | 1 | 0 | 3.3K | 5.3K |
| 357 | African Americans | 1 | 0 | 371 | 689 |
| 357 | African American | 1 | 0 | 296 | 597 |
