Klassifikation der Library of Congress [LCC] (USA)Q

ai(2,636) algorithms(3,375) analysis(2,910) anatomy(8,850) animal behavior(2,853) animals(86,499) art(9,130) artificial intelligence(4,197) astrophysics(4,543) biography(40,153) biology(66,421) birds(43,830) body(3,055) botany(17,971) brain(4,556) bugs(6,192) butterflies(6,221) calculus(3,704) chemistry(17,985) children(11,885) children's(16,616) climate(2,993) climate change(3,881) complexity(2,542) computer(18,174) computer programming(3,348) computer science(23,202) computers(26,622) computing(13,549) conservation(4,636) cosmology(14,037) cs(2,068) development(2,882) dinosaurs(17,102) earth(5,194) ecology(15,724) ecosystems(1,368) education(6,735) educational(2,339) engineering(3,197) environment(12,094) evolution(34,296) experiments(4,009) fish(5,087) flowers(4,498) gardening(6,388) general science(3,078) genetics(8,063) geography(5,701) geology(22,090) geometry(6,336) guide(4,062) guidebook(2,947) health(8,469) history(52,501) history of science(20,443) information technology(2,164) informational(11,037) insects(20,463) juvenile(5,259) juvenile non-fiction(2,900) kids(3,621) life cycle(3,304) life science(4,618) Life Sciences(1,306) logic(4,907) mammals(9,086) marine life(1,511) math(145,809) medicine(6,164) natural science(7,919) nature(73,823) nature writing(1,929) neuroscience(5,756) North America(4,453) number theory(2,065) numbers(5,250) ocean(9,804) oceans(2,569) perl(3,286) philosophy of science(6,851) photographs(3,745) photography(6,602) physiology(4,259) picture book(28,989) planets(4,983) popular science(12,880) probability(3,168) programming(50,823) psychology(10,760) quantum mechanics(3,819) quantum physics(3,486) reference(44,511) relativity(3,129) reptiles(6,768) research(3,128) science(356,206) science and technology(2,182) science nonfiction(2,896) scientists(3,881) sea life(1,622) security(3,222) snakes(3,176) software(8,609) software development(5,343) solar system(4,885) spiders(4,018) stars(3,520) statistics(10,755) tech(2,893) time(3,964) topology(1,462) travel(7,852) trees(9,804) universe(2,960) volcanoes(3,068) weather(15,420) whales(3,164) wildlife(7,599)