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510 - Mathematics 20,175 View Records 570 - Biology 16,184 View Records 590 - Animals 15,666 View Records 550 - Earth sciences 10,865 View Records 530 - Physics 9,536 View Records 540 - Chemistry and allied sciences 8,294 View Records 580 - Plants 7,991 View Records 500 - Natural sciences and mathematics 5,993 View Records 520 - Astronomy and allied sciences 3,986 View Records 560 - Paleontology 1,585 View Records 620 - Engineering and allied operations 198 View Records 630 - Agriculture and related technologies 151 View Records 610 - Medicine and health 139 View Records 330 - Economics 77 View Records 360 - Social problems and services; associations 69 View Records 080 - General collections 63 View Records 300 - Social sciences 60 View Records 910 - Geography and travel 49 View Records 010 - Bibliography 37 View Records 000 - Computer science, information, general works 34 View Records 600 - Technology (Applied sciences) 33 View Records 660 - Chemical engineering 24 View Records 970 - History of North America 17 View Records 370 - Education 14 View Records 790 - Recreational and performing arts 13 View Records 150 - Psychology 12 View Records 920 - Biography, genealogy, insignia 10 View Records 020 - Library and information sciences 9 View Records 350 - Public administration and military science 9 View Records 380 - Commerce, communications, transportation 9 View Records 310 - Collections of general statistics 8 View Records 940 - History of Europe 8 View Records 090 - Manuscripts, rare books 7 View Records 960 - History of Africa 7 View Records 650 - Management and auxiliary services 6 View Records 110 - Metaphysics 5 View Records 700 - The arts 5 View Records 900 - History & geography 5 View Records 120 - Epistemology, causation, humankind 4 View Records 640 - Home and family management 4 View Records 060 - General organizations and museology 3 View Records 190 - Modern western philosophy 3 View Records 320 - Political science (Politics and government) 3 View Records 340 - Law 3 View Records 390 - Customs, etiquette, folklore 3 View Records 720 - Architecture 3 View Records 740 - Graphic arts and decorative arts 3 View Records 750 - Painting and paintings 3 View Records 980 - History of South America 3 View Records 990 - History of other areas 3 View Records 050 - General serial publications 2 View Records 070 - Documentary, educational, news media; journalism 2 View Records 170 - Ethics (Moral philosophy) 2 View Records 400 - Language 2 View Records 730 - Sculpture and related arts 2 View Records 780 - Music 2 View Records 800 - Literature (Belles-lettres) and rhetoric 2 View Records 820 - English & Old English literatures 2 View Records 830 - Literatures of Germanic languages 2 View Records 930 - History of ancient world to ca. 499 2 View Records 040 - [Unassigned] 1 View Records 100 - Philosophy & psychology 1 View Records 140 - Specific philosophical schools 1 View Records 180 - Ancient, medieval, eastern philosophy 1 View Records 200 - Religion 1 View Records 210 - Philosophy and theory of religion 1 View Records 270 - History, geographic treatment, biography 1 View Records 290 - Other religions 1 View Records 430 - German and related languages 1 View Records 490 - Other languages 1 View Records 670 - Manufacturing 1 View Records 680 - Manufacture of products for specific uses 1 View Records 690 - Construction of buildings 1 View Records 770 - Photography, computer art, cinematography 1 View Records 810 - American literature in English 1 View Records 840 - Literatures of Romance languages 1 View Records 950 - History of Asia 1 View Records