330 - Economics 13,550 610 - Medicine & health 11,439 006 - Special computer methods 7,886 620 - Engineering & allied operations 7,873 658 - General management 7,566 616 - Diseases 6,913 more ... 005 - Computer programming, programs & data 6,683 621 - Applied physics 6,390 004 - Data processing & computer science 4,981 333 - Economics of land & energy 4,743 600 - Technology 4,254 700 - The arts; fine & decorative arts 4,157 000 - Computer science, information & general works 3,860 370 - Education 3,620 500 - Natural sciences & mathematics 3,576 900 - History & geography 3,563 530 - Physics 3,143 571 - Physiology & related subjects 3,130 300 - Social sciences 3,121 363 - Other social problems & services 3,110 320 - Political science 2,869 340 - Law 2,720 519 - Probabilities & applied mathematics 2,647 612 - Human physiology 2,317 629 - Other branches of engineering 2,196 338 - Production 2,184 551 - Geology, hydrology & meteorology 2,175 515 - Analysis 2,116 304 - Factors affecting social behavior 1,979 580 - Plants (Botany) 1,944 380 - Commerce, communications & transportation 1,811 540 - Chemistry & allied sciences 1,764 570 - Life sciences; biology 1,757 003 - Systems 1,722 306 - Culture & institutions 1,593 572 - Biochemistry 1,577 331 - Labor economics 1,575 615 - Pharmacology & therapeutics 1,504 302 - Social interaction 1,446 100 - Philosophy & psychology 1,419 140 - Specific philosophical schools 1,391 576 - Genetics & evolution 1,293 577 - Ecology 1,260 301 - Sociology & anthropology 1,247 630 - Agriculture & related technologies 1,212 670 - Manufacturing 1,175 660 - Chemical engineering 1,071 617 - Surgery & related medical specialties 1,033 820 - English & Old English literatures 1,011 001 - Knowledge 995 512 - Algebra 975 332 - Financial economics 915 541 - Physical chemistry 915 510 - Mathematics 891 520 - Astronomy & allied sciences 813 581 - Specific topics in natural history 788 305 - Social groups 775 579 - Microorganisms, fungi & algae 760 910 - Geography & travel 753 650 - Management & auxiliary services 749 539 - Modern physics 741 614 - Incidence & prevention of disease 732 410 - Linguistics 726 381 - Commerce 708 613 - Personal health & safety 701 511 - General principles of mathematics 700 400 - Language 699 371 - Schools & their activities; special education 660 800 - Literature & rhetoric 654 150 - Psychology 649 624 - Civil engineering 638 518 - Numerical analysis 630 170 - Ethics 595 745 - Decorative arts 557 516 - Geometry 552 025 - Library operations 547 550 - Earth sciences 547 720 - Architecture 543 155 - Differential & developmental psychology 537 153 - Mental processes & intelligence 533 547 - Organic chemistry 526 523 - Specific celestial bodies & phenomena 521 346 - Private law 515 200 - Religion 506 664 - Food technology 480 303 - Social processes 477 384 - Communications; telecommunication 475 327 - International relations 470 364 - Criminology 468 361 - Social problems & social welfare in general 464 418 - Standard usage & applied linguistics 436 158 - Applied psychology 420 618 - Gynecology, obstetrics, pediatrics & geriatrics 370 641 - Food & drink 362 628 - Sanitary & municipal engineering 354 378 - Higher education 351 531 - Classical mechanics; solid mechanics 345 543 - Analytical chemistry 343 414 - Phonology & phonetics 339 501 - Philosophy & theory 322 see all ... less ...

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