26.0K(top 0.1%)
papers
602.1K(top 0.1%)
citations
210(top 0.1%)
h-index
326(top 0.1%)
g-index
29.5K
all documents
648.8K
doc citations
22.3K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 1 | Health Sciences | 14,745 | 372,701 | 325 | 433 |
| 2 | Life Sciences | 10,735 | 316,782 | 372 | 503 |
| 3 | Physical Sciences | 9,694 | 242,771 | 631 | 678 |
| 4 | Biology | 5,933 | 174,028 | 452 | 618 |
| 5 | Chemistry | 5,435 | 155,552 | 467 | 496 |
| 6 | Applied Sciences | 3,553 | 103,553 | 636 | 600 |
| 7 | Pharmacology | 2,530 | 79,743 | 183 | 187 |
| 8 | Physics | 3,292 | 66,312 | 665 | 809 |
| 9 | Materials Science | 2,298 | 56,974 | 613 | 657 |
| 10 | Biochemistry | 2,033 | 56,849 | 354 | 455 |
| 11 | Chemical Engineering | 1,495 | 48,898 | 445 | 473 |
| 12 | Neurology | 1,446 | 45,270 | 211 | 278 |
| 13 | Clinical Neurology | 1,305 | 40,493 | 209 | 286 |
| 14 | Organic Chemistry | 1,341 | 35,529 | 240 | 283 |
| 15 | Physical Chemistry | 1,335 | 32,725 | 411 | 494 |
| 16 | Social Sciences | 1,617 | 31,926 | 1.0K | 1.1K |
| 17 | Molecular Biology | 1,036 | 31,718 | 463 | 675 |
| 18 | Immunology | 949 | 28,996 | 324 | 437 |
| 19 | Analytical Chemistry | 932 | 28,982 | 166 | 157 |
| 20 | Endocrinology | 921 | 26,775 | 141 | 261 |
| 21 | Inorganic Chemistry | 1,107 | 26,029 | 408 | 453 |
| 22 | Condensed Matter Physics | 1,279 | 25,795 | 550 | 618 |
| 23 | Microbiology | 748 | 25,513 | 513 | 550 |
| 24 | Cell Biology | 680 | 23,557 | 578 | 772 |
| 25 | Agriculture | 583 | 20,274 | 376 | 322 |
| 26 | Formal Sciences | 1,490 | 19,769 | 703 | 884 |
| 27 | Physiology | 623 | 18,748 | 400 | 515 |
| 28 | Genetics | 605 | 17,460 | 631 | 809 |
| 29 | Mathematics | 1,325 | 16,657 | 653 | 824 |
| 30 | Materials Chemistry | 649 | 16,133 | 502 | 547 |
| 31 | Oncology | 880 | 15,973 | 475 | 800 |
| 32 | Energy | 395 | 15,559 | 793 | 638 |
| 33 | Food Science and Technology | 490 | 15,526 | 251 | 255 |
| 34 | General Sciences | 296 | 14,676 | 868 | 1.1K |
| 35 | Pediatrics | 716 | 14,536 | 243 | 320 |
| 35 | Mechanical Engineering | 599 | 14,536 | 669 | 711 |
| 37 | Surgery | 857 | 14,291 | 370 | 516 |
| 38 | Electrical Engineering | 610 | 13,412 | 696 | 695 |
| 39 | Spectroscopy | 522 | 12,545 | 182 | 228 |
| 40 | Applied Chemistry | 338 | 12,274 | 200 | 203 |
| 41 | Neuroscience | 340 | 12,208 | 521 | 568 |
| 42 | Clinical Biochemistry | 439 | 12,186 | 189 | 217 |
| 43 | Environmental Chemistry | 238 | 12,178 | 658 | 521 |
| 44 | Psychiatry | 452 | 12,149 | 503 | 619 |
| 45 | Mechanics | 510 | 12,139 | 578 | 604 |
| 46 | Gastroenterology | 342 | 11,548 | 305 | 346 |
| 47 | Software Engineering | 533 | 11,447 | 751 | 771 |
| 48 | Radiology | 587 | 10,998 | 338 | 441 |
| 49 | Chemical Physics | 500 | 10,205 | 591 | 632 |
| 50 | Mechanics of Materials | 380 | 10,101 | 632 | 638 |
| 51 | Biotechnology | 350 | 9,950 | 599 | 750 |
| 52 | Psychology | 454 | 9,928 | 806 | 955 |
| 53 | Applied Mathematics | 626 | 8,705 | 588 | 805 |
| 54 | Ecology | 405 | 8,540 | 857 | 1.1K |
| 55 | Public Health | 422 | 8,538 | 735 | 872 |
| 56 | Hepatology | 190 | 7,955 | 320 | 369 |
| 57 | Nursing | 329 | 7,923 | 814 | 838 |
| 58 | Earth Science | 330 | 7,615 | 807 | 905 |
| 59 | Applied Physics | 313 | 7,547 | 451 | 565 |
| 60 | Pathology | 374 | 6,883 | 255 | 403 |
| 61 | Dermatology | 435 | 6,791 | 157 | 283 |
| 62 | Cardiology | 358 | 6,669 | 294 | 527 |
| 63 | Industrial Engineering | 189 | 6,243 | 763 | 632 |
| 64 | Civil Engineering | 197 | 6,112 | 532 | 413 |
| 65 | Biophysics | 294 | 5,824 | 600 | 869 |
| 66 | Environmental Engineering | 134 | 5,730 | 917 | 768 |
| 67 | Medicinal Chemistry | 164 | 5,375 | 39 | 36 |
| 68 | Dentistry | 230 | 5,280 | 358 | 349 |
| 69 | Parasitology | 141 | 5,273 | 427 | 376 |
| 70 | Nephrology | 206 | 5,136 | 222 | 298 |
| 71 | Hematology | 293 | 5,062 | 575 | 761 |
| 72 | Gynaecology | 178 | 4,923 | 358 | 278 |
| 73 | Biomedical Engineering | 155 | 4,916 | 870 | 836 |
| 74 | Computer Science | 299 | 4,833 | 1.1K | 1.2K |
| 75 | Critical Care Medicine | 141 | 4,399 | 340 | 463 |
| 76 | Management | 106 | 4,241 | 1.1K | 905 |
| 77 | Ophthalmology | 128 | 4,198 | 510 | 374 |
| 78 | Oceanography | 189 | 4,194 | 460 | 557 |
| 79 | Botany | 89 | 3,986 | 827 | 691 |
| 80 | Rheumatology | 181 | 3,916 | 307 | 511 |
| 81 | Economics | 182 | 3,820 | 1.1K | 1.2K |
| 82 | Nuclear Physics | 176 | 3,483 | 698 | 714 |
| 83 | Geology | 140 | 3,460 | 915 | 1.0K |
| 84 | Urology | 189 | 3,443 | 320 | 453 |
| 85 | Agricultural Chemistry | 46 | 3,416 | 189 | 103 |
| 86 | Business | 124 | 3,357 | 1.2K | 1.1K |
| 87 | Virology | 106 | 3,352 | 635 | 688 |
| 88 | Nutrition | 95 | 3,334 | 422 | 454 |
| 89 | Psychobiology | 84 | 3,291 | 622 | 623 |
| 90 | Arts and Humanities | 324 | 3,178 | 958 | 1.8K |
| 91 | Neurophysiology | 21 | 3,173 | 347 | 147 |
| 92 | Otorhinolaryngology | 175 | 3,098 | 479 | 538 |
| 93 | Reproductive Medicine | 96 | 2,949 | 480 | 442 |
| 94 | Mathematical Physics | 164 | 2,878 | 498 | 530 |
| 95 | Veterinary Medicine | 148 | 2,701 | 171 | 155 |
| 96 | Information Systems | 144 | 2,674 | 865 | 1.0K |
| 97 | Human Geography | 127 | 2,624 | 853 | 759 |
| 98 | Developmental Biology | 101 | 2,515 | 713 | 901 |
| 99 | Human Genetics | 48 | 2,505 | 601 | 678 |
| 100 | Marine Engineering | 68 | 2,504 | 168 | 110 |
| 101 | Materials Physics | 102 | 2,499 | 520 | 606 |
| 101 | Surface Physics | 102 | 2,499 | 520 | 606 |
| 103 | Reproductive Biology | 65 | 2,408 | 537 | 449 |
| 104 | Zoology | 222 | 2,283 | 301 | 524 |
| 105 | Anatomy | 128 | 2,214 | 205 | 371 |
| 106 | Fuel Technology | 74 | 2,138 | 877 | 895 |
| 107 | Emergency Medicine | 92 | 2,130 | 432 | 394 |
| 108 | Behavioral Neuroscience | 85 | 2,077 | 533 | 657 |
| 109 | Biological Psychiatry | 63 | 2,057 | 525 | 579 |
| 110 | Geological Engineering | 49 | 2,031 | 627 | 418 |
| 111 | Geophysics | 85 | 1,977 | 741 | 850 |
| 112 | Pulmonology | 55 | 1,890 | 442 | 567 |
| 113 | Technical Chemistry | 111 | 1,862 | 226 | 255 |
| 114 | Electrochemistry | 48 | 1,811 | 1.1K | 1.0K |
| 115 | Clinical Psychology | 75 | 1,711 | 828 | 958 |
| 116 | Epidemiology | 53 | 1,709 | 970 | 957 |
| 117 | Artificial Intelligence | 120 | 1,651 | 1.2K | 1.4K |
| 118 | Anesthesiology | 76 | 1,622 | 729 | 905 |
| 119 | Orthopedics | 66 | 1,591 | 1.5K | 1.5K |
| 120 | Anthropology | 68 | 1,515 | 875 | 800 |
| 121 | Thermodynamics | 84 | 1,509 | 489 | 747 |
| 122 | Educational Psychology | 51 | 1,497 | 864 | 820 |
| 123 | Structural Biology | 54 | 1,445 | 848 | 1.0K |
| 124 | Neuropsychiatry | 71 | 1,432 | 286 | 363 |
| 125 | Developmental Neuroscience | 52 | 1,392 | 481 | 511 |
| 126 | Aerospace Engineering | 69 | 1,365 | 725 | 695 |
| 127 | Analysis | 93 | 1,268 | 413 | 398 |
| 128 | Cognitive Neuroscience | 49 | 1,260 | 805 | 1.0K |
| 129 | Developmental Psychology | 46 | 1,222 | 475 | 450 |
| 130 | Experimental Psychology | 43 | 1,190 | 892 | 909 |
| 131 | Acoustics | 21 | 1,150 | 947 | 574 |
| 132 | Rehabilitation | 43 | 1,111 | 1.6K | 1.4K |
| 133 | Transplantation | 55 | 1,104 | 773 | 789 |
| 134 | Optics | 50 | 1,049 | 1.3K | 1.1K |
| 135 | Statistical Physics | 43 | 1,018 | 561 | 565 |
| 136 | The Arts | 29 | 1,012 | 1.1K | 579 |
| 137 | Cultural Anthropology | 20 | 992 | 267 | 230 |
| 137 | Ethnobotany | 20 | 992 | 197 | 205 |
| 139 | Culinary Arts | 19 | 986 | 428 | 339 |
| 139 | Food Safety | 19 | 986 | 280 | 224 |
| 141 | Oral Surgery | 55 | 934 | 445 | 511 |
| 142 | Theoretical Computer Science | 86 | 907 | 1.2K | 1.2K |
| 143 | Mineralogy | 39 | 869 | 496 | 578 |
| 144 | Mycology | 36 | 833 | 471 | 530 |
| 145 | Otolaryngology | 34 | 827 | 629 | 543 |
| 145 | Statistical Mechanics | 60 | 827 | 106 | 209 |
| 147 | Education | 75 | 804 | 2.0K | 2.2K |
| 148 | Computational Mechanics | 30 | 783 | 610 | 507 |
| 149 | Algebra | 94 | 782 | 184 | 265 |
| 150 | Anaesthesiology | 35 | 779 | 707 | 793 |
| 151 | Applied Psychology | 26 | 744 | 1.3K | 1.4K |
| 152 | Magnetism | 62 | 743 | 346 | 457 |
| 153 | Social Psychology | 28 | 685 | 1.4K | 1.4K |
| 154 | Bioinorganic Chemistry | 39 | 681 | 359 | 543 |
| 155 | Computational Mathematics | 74 | 677 | 778 | 1.3K |
| 156 | Neuroimmunology | 15 | 666 | 272 | 263 |
| 157 | Nuclear Medicine | 33 | 655 | 268 | 347 |
| 158 | Linguistics | 160 | 628 | 571 | 1.1K |
| 159 | Forestry | 20 | 611 | 1.1K | 980 |
| 160 | Thermal Engineering | 13 | 602 | 429 | 267 |
| 161 | Neuropharmacology | 18 | 565 | 227 | 288 |
| 162 | Fluid Mechanics | 20 | 555 | 513 | 482 |
| 163 | Pharmacy | 36 | 530 | 590 | 761 |
| 164 | Geriatrics | 28 | 518 | 511 | 777 |
| 165 | Molecular Neuroscience | 14 | 506 | 221 | 252 |
| 166 | Horticulture | 15 | 485 | 1.3K | 1.1K |
| 167 | Paleontology | 30 | 462 | 719 | 862 |
| 168 | Numerical Analysis | 41 | 444 | 539 | 787 |
| 169 | Materials Engineering | 28 | 411 | 560 | 557 |
| 170 | Architecture | 30 | 409 | 693 | 547 |
| 171 | Electromechanical Engineering | 5 | 390 | 857 | 274 |
| 172 | Systems Science | 18 | 378 | 1.3K | 1.4K |
| 173 | Archaeology | 33 | 371 | 698 | 887 |
| 174 | Automotive Engineering | 40 | 370 | 607 | 932 |
| 175 | Gerontology | 33 | 363 | 552 | 925 |
| 176 | Philosophy | 75 | 360 | 761 | 1.3K |
| 177 | Photonics | 8 | 328 | 806 | 728 |
| 178 | Neuropsychology | 10 | 327 | 636 | 688 |
| 179 | Infectious Disease | 23 | 325 | 584 | 587 |
| 180 | Control Engineering | 2 | 320 | 720 | 136 |
| 181 | Agronomy | 18 | 306 | 912 | 975 |
| 182 | Law | 40 | 302 | 1.2K | 1.9K |
| 183 | Organometallic Chemistry | 21 | 298 | 518 | 793 |
| 184 | History | 63 | 284 | 1.2K | 1.2K |
| 185 | Molecular Physics | 16 | 260 | 269 | 318 |
| 186 | Health Information Management | 13 | 233 | 986 | 901 |
| 187 | Renewable Energy | 7 | 230 | 698 | 835 |
| 188 | Petrology | 4 | 225 | 481 | 406 |
| 189 | Pragmatics | 72 | 224 | 4 | 146 |
| 190 | Marine Biology | 13 | 214 | 486 | 665 |
| 191 | Composite Materials | 11 | 213 | 324 | 277 |
| 192 | Sociology | 30 | 207 | 1.3K | 2.2K |
| 193 | Chronobiology | 10 | 196 | 79 | 152 |
| 194 | Statistics | 38 | 191 | 1.0K | 1.8K |
| 194 | Computer | 43 | 191 | 1.4K | 1.5K |
| 196 | Systems Neuroscience | 5 | 189 | 72 | 82 |
| 197 | Neuroanatomy | 3 | 188 | 131 | 77 |
| 198 | Medical Physics | 10 | 182 | 718 | 790 |
| 199 | Stratigraphy | 6 | 174 | 966 | 946 |
| 200 | Orthopedic Surgery | 16 | 165 | 601 | 1.0K |
| 201 | Astrophysics | 26 | 164 | 1.2K | 1.9K |
| 202 | Demography | 16 | 158 | 615 | 914 |
| 202 | Plasma Physics | 16 | 158 | 230 | 252 |
| 204 | Limnology | 7 | 157 | 1.1K | 1.2K |
| 205 | Environmental Studies | 5 | 155 | 469 | 490 |
| 206 | Reliability Engineering | 8 | 152 | 318 | 397 |
| 207 | Planetary Science | 6 | 145 | 757 | 935 |
| 208 | Chaos Theory | 10 | 144 | 325 | 537 |
| 209 | Polymer Physics | 2 | 140 | 686 | 417 |
| 210 | Morphology | 23 | 138 | 204 | 515 |
| 211 | Astronomy | 19 | 137 | 1.7K | 2.4K |
| 212 | Evolutionary Biology | 9 | 135 | 1.6K | 2.4K |
| 213 | Personality Psychology | 4 | 134 | 921 | 992 |
| 214 | Volcanology | 1 | 126 | 620 | 386 |
| 215 | Cybernetics | 4 | 118 | 1.2K | 1.1K |
| 216 | Operations Research | 4 | 116 | 1.7K | 1.6K |
| 217 | Computer Architecture | 1 | 112 | 900 | 477 |
| 218 | Geography | 8 | 105 | 2.0K | 2.3K |
| 219 | Solid State Physics | 25 | 103 | 498 | 1.1K |
| 220 | Osteology | 2 | 95 | 864 | 833 |
| 221 | Angiology | 10 | 93 | 781 | 1.8K |
| 222 | Political Science | 12 | 88 | 1.3K | 1.5K |
| 223 | Transportation Engineering | 10 | 87 | 214 | 273 |
| 224 | Health Psychology | 2 | 84 | 1.0K | 902 |
| 225 | Computer Communications | 4 | 83 | 440 | 428 |
| 226 | Physical Geography | 3 | 82 | 1.2K | 1.1K |
| 227 | Particle Physics | 5 | 80 | 1.5K | 1.5K |
| 227 | Computer Graphics | 2 | 80 | 1.2K | 1.2K |
| 227 | Image Processing | 2 | 80 | 706 | 849 |
| 230 | Fishery | 6 | 73 | 162 | 269 |
| 231 | Resource Economics | 1 | 71 | 661 | 424 |
| 232 | Mechatronics | 1 | 70 | 1.2K | 555 |
| 233 | Geochemistry | 1 | 63 | 947 | 961 |
| 234 | Nanomaterials | 8 | 62 | 244 | 529 |
| 235 | Corrosion Engineering | 3 | 60 | 128 | 60 |
| 235 | Special Needs Education | 5 | 60 | 1.0K | 1.4K |
| 237 | Audiology | 2 | 59 | 939 | 907 |
| 237 | Information Science | 8 | 59 | 1.8K | 1.5K |
| 239 | School Psychology | 3 | 58 | 389 | 476 |
| 240 | Knowledge Economy | 2 | 57 | 78 | 65 |
| 241 | Theoretical Physics | 4 | 56 | 1.2K | 970 |
| 242 | Philology | 17 | 53 | 1.0K | 753 |
| 243 | Electronic Materials | 4 | 52 | 1.1K | 1.2K |
| 244 | Applied Economics | 7 | 41 | 809 | 1.2K |
| 245 | Seismology | 3 | 40 | 225 | 310 |
| 246 | Religious Studies | 11 | 39 | 1.6K | 1.7K |
| 247 | Machine Learning | 2 | 38 | 1.4K | 1.6K |
| 247 | Information Theory | 1 | 38 | 962 | 849 |
| 249 | Structural Engineering | 2 | 36 | 612 | 448 |
| 250 | Cultural Studies | 19 | 35 | 1.6K | 3.1K |
| 250 | Structural Geology | 1 | 35 | 576 | 589 |
| 252 | Cognitive Science | 2 | 34 | 618 | 850 |
| 252 | Sport Psychology | 6 | 34 | 233 | 471 |
| 254 | Industrial Relations | 4 | 33 | 2.7K | 3.5K |
| 255 | Astrobiology | 3 | 32 | 395 | 665 |
| 256 | Psychopathology | 4 | 31 | 392 | 663 |
| 256 | Neuroendocrinology | 1 | 31 | 654 | 747 |
| 258 | Ergonomics | 2 | 29 | 1.6K | 1.4K |
| 258 | Telecommunications Engineering | 6 | 29 | 401 | 235 |
| 260 | Geometry | 6 | 27 | 690 | 911 |
| 261 | Biological Engineering | 3 | 26 | 1.1K | 1.9K |
| 261 | Performing Arts | 9 | 26 | 1.4K | 1.9K |
| 263 | Electronic Engineering | 9 | 25 | 283 | 604 |
| 264 | Crystal Engineering | 2 | 24 | 167 | 203 |
| 265 | Electricity | 1 | 23 | 312 | 178 |
| 266 | Discourse Analysis | 1 | 20 | 256 | 245 |
| 266 | Laser Physics | 2 | 20 | 475 | 564 |
| 266 | Theoretical Biology | 3 | 20 | 872 | 1.5K |
| 269 | Family Medicine | 3 | 19 | 369 | 719 |
| 269 | Criminal Law | 14 | 19 | 621 | 1.9K |
| 271 | Monetary Economics | 2 | 18 | 269 | 414 |
| 271 | Political Economy | 5 | 18 | 608 | 1.1K |
| 271 | Biological Psychology | 1 | 18 | 562 | 744 |
| 274 | Semiotics | 7 | 17 | 105 | 230 |
| 274 | Geobiology | 1 | 17 | 365 | 507 |
| 276 | Law and Economics | 3 | 16 | 340 | 579 |
| 276 | Algorithms | 1 | 16 | 1.6K | 1.2K |
| 278 | Systems Biology | 1 | 15 | 1.3K | 1.6K |
| 279 | Ethics | 1 | 14 | 3.3K | 3.2K |
| 279 | Economic History | 2 | 14 | 705 | 641 |
| 279 | Natural History | 4 | 14 | 618 | 1.0K |
| 279 | Logic | 5 | 14 | 1.2K | 1.9K |
| 279 | Marine Geology | 1 | 14 | 990 | 1.2K |
| 284 | Tissue Engineering | 2 | 13 | 923 | 1.6K |
| 284 | Neural Engineering | 1 | 13 | 478 | 671 |
| 286 | Business Studies | 2 | 11 | 1.4K | 1.6K |
| 286 | Social Work | 3 | 11 | 2.6K | 4.3K |
| 286 | Cognitive Psychology | 2 | 11 | 561 | 877 |
| 289 | Socioeconomics | 2 | 10 | 270 | 607 |
| 289 | Computational Neuroscience | 1 | 10 | 357 | 430 |
| 291 | Medical Ethics | 8 | 9 | 636 | 2.1K |
| 292 | Library Science | 2 | 8 | 2.0K | 2.5K |
| 292 | Mathematical Economics | 10 | 8 | 53 | 408 |
| 292 | Econometrics | 1 | 8 | 961 | 1.1K |
| 295 | Spatial Statistics | 1 | 7 | 155 | 229 |
| 295 | Atomic, Molecular, and Optical Physics | 2 | 7 | 445 | 836 |
| 295 | Applied Linguistics | 2 | 7 | 1.4K | 1.7K |
| 295 | Robotics | 1 | 7 | 2.4K | 3.0K |
| 299 | Bioethics | 1 | 6 | 1.0K | 1.2K |
| 300 | Phenomenology | 1 | 5 | 459 | 381 |
| 300 | Social Anthropology | 1 | 5 | 328 | 227 |
| 302 | Community Psychology | 1 | 4 | 635 | 997 |
| 302 | Evolutionary Psychology | 2 | 4 | 197 | 483 |
| 302 | Energy Economics | 1 | 4 | 1.1K | 1.7K |
| 302 | Process Engineering | 1 | 4 | 1.0K | 1.7K |
| 306 | Preservation | 1 | 3 | 1.0K | 1.5K |
| 306 | Agroecology | 1 | 3 | 254 | 506 |
| 306 | Bioarchaeology | 1 | 3 | 397 | 596 |
| 306 | Parallel Computing | 1 | 3 | 523 | 709 |
| 306 | Computational Physics | 1 | 3 | 1.5K | 2.0K |
| 311 | Public Finance | 4 | 2 | 234 | 794 |
| 311 | Comparative Law | 2 | 2 | 724 | 887 |
| 313 | Social Choice Theory | 1 | 1 | 361 | 583 |
| 313 | Languages | 1 | 1 | 828 | 1.1K |
| 313 | Evolutionary Economics | 1 | 1 | 250 | 478 |
| 316 | Modern History | 1 | 0 | 456 | 311 |
| 316 | Historical Linguistics | 1 | 0 | 41 | 85 |
| 316 | Experimental Economics | 1 | 0 | 379 | 705 |
| 316 | Instrumentation Engineering | 2 | 0 | 4 | 31 |
| 316 | Biological Anthropology | 1 | 0 | 885 | 1.5K |
| 316 | Art History | 1 | 0 | 526 | 594 |
| 316 | History of the United States | 1 | 0 | 1.0K | 779 |
| 316 | Literature | 1 | 0 | 2.7K | 2.7K |
| 316 | History of Europe | 3 | 0 | 1.2K | 1.6K |
| 316 | History of America | 1 | 0 | 2.0K | 1.7K |
| 316 | Human Evolution | 1 | 0 | 102 | 307 |
| 316 | Music | 1 | 0 | 2.1K | 2.7K |