330 - Economics 13,631 610 - Medicine & health 11,447 620 - Engineering & allied operations 7,882 006 - Special computer methods 7,813 658 - General management 7,545 616 - Diseases 6,950 more ... 005 - Computer programming, programs & data 6,660 621 - Applied physics 6,354 004 - Data processing & computer science 4,972 333 - Economics of land & energy 4,751 600 - Technology 4,258 700 - The arts; fine & decorative arts 4,169 000 - Computer science, information & general works 3,883 370 - Education 3,631 900 - History & geography 3,629 500 - Natural sciences & mathematics 3,586 300 - Social sciences 3,156 530 - Physics 3,142 571 - Physiology & related subjects 3,125 363 - Other social problems & services 3,105 320 - Political science 2,977 340 - Law 2,780 519 - Probabilities & applied mathematics 2,644 612 - Human physiology 2,314 629 - Other branches of engineering 2,178 551 - Geology, hydrology & meteorology 2,172 338 - Production 2,167 515 - Analysis 2,108 304 - Factors affecting social behavior 1,974 580 - Plants (Botany) 1,937 380 - Commerce, communications & transportation 1,818 540 - Chemistry & allied sciences 1,765 570 - Life sciences; biology 1,746 003 - Systems 1,712 306 - Culture & institutions 1,587 572 - Biochemistry 1,577 331 - Labor economics 1,573 615 - Pharmacology & therapeutics 1,500 302 - Social interaction 1,449 140 - Specific philosophical schools 1,432 100 - Philosophy & psychology 1,431 820 - English & Old English literatures 1,381 576 - Genetics & evolution 1,296 577 - Ecology 1,257 301 - Sociology & anthropology 1,248 630 - Agriculture & related technologies 1,212 670 - Manufacturing 1,189 617 - Surgery & related medical specialties 1,089 660 - Chemical engineering 1,064 001 - Knowledge 993 512 - Algebra 973 332 - Financial economics 919 541 - Physical chemistry 912 510 - Mathematics 899 520 - Astronomy & allied sciences 831 581 - Specific topics in natural history 787 305 - Social groups 769 650 - Management & auxiliary services 760 579 - Microorganisms, fungi & algae 756 910 - Geography & travel 750 539 - Modern physics 742 410 - Linguistics 735 614 - Incidence & prevention of disease 732 381 - Commerce 704 400 - Language 702 511 - General principles of mathematics 697 613 - Personal health & safety 697 800 - Literature & rhetoric 668 371 - Schools & their activities; special education 656 624 - Civil engineering 646 150 - Psychology 645 518 - Numerical analysis 630 170 - Ethics 604 720 - Architecture 604 745 - Decorative arts 562 516 - Geometry 551 550 - Earth sciences 547 025 - Library operations 546 155 - Differential & developmental psychology 538 153 - Mental processes & intelligence 535 200 - Religion 527 547 - Organic chemistry 523 523 - Specific celestial bodies & phenomena 522 346 - Private law 515 384 - Communications; telecommunication 482 664 - Food technology 471 303 - Social processes 469 364 - Criminology 468 361 - Social problems & social welfare in general 466 327 - International relations 461 418 - Standard usage & applied linguistics 428 158 - Applied psychology 420 618 - Gynecology, obstetrics, pediatrics & geriatrics 369 641 - Food & drink 356 378 - Higher education 348 531 - Classical mechanics; solid mechanics 348 628 - Sanitary & municipal engineering 348 543 - Analytical chemistry 340 414 - Phonology & phonetics 337 690 - Buildings 327 see all ... less ...

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