Clasificación de la Biblioteca del CongresoQE721.E87

19th century(85) animals(249) anthropology(64) archaeology(283) art(55) biography(404) biology(747) birds(31) California(28) catastrophe(8) children(95) children's(131) climate(67) climate change(178) collapse(10) conservation(26) Creation(54) creationism(49) dinosaur(93) dinosaurs(1,663) discovery(23) earth(52) ecology(199) educational(20) endangered species(22) England(50) environment(207) environmental(20) environmentalism(24) evolution(936) Evolution (Biology)(13) evolutionary biology(32) exploration(18) extinction(320) fish(23) general science(14) geography(41) geology(996) global warming(32) guidebook(42) history(897) history of science(188) ice age(35) informational(36) juvenile(50) juvenile literature(23) juvenile non-fiction(41) kids(26) life science(28) Life Sciences(16) Lyme Regis(9) mammals(53) mammoths(18) Mongolia(16) museums(32) natural science(74) natural world(13) nature(386) New Mexico(18) North America(43) paleoanthropology(10) paleobiology(76) paleogeography(12) paleontologists(66) picture book(181) popular science(73) prehistoric(75) prehistoric man(6) prehistory(208) reference(225) religion(62) reptiles(24) science(2,974) science and technology(23) science nonfiction(11) scientists(62) speciation(6) species(12) Theology(55) travel(47) usa(50) women(40) Wyoming(16)