Classificação da Biblioteca do Congresso dos E.U.A. (LCC)J971.4

ancient civilizations(11) animals(430) around the world(10) art(99) Australian history(11) biographies(34) biography(356) biology(70) birds(52) bugs(18) butterflies(14) Canada(116) chemistry(61) chicks(13) children(330) children's(277) children's fiction(30) children's literature(46) children's picture book(17) Christian(107) Christianity(32) Christmas(58) cookbook(46) cooking(30) curriculum(16) dictatorship(17) dinosaurs(52) drawing(26) earth(18) Easter(59) easy reader(17) education(38) elementary(45) experiments(58) fairies(29) fairy tales(36) faith(20) farm(105) farm animals(45) fish(16) folklore(36) food(30) games(22) geography(107) Goliath(10) government(15) health(40) history(401) horror(135) how-to(19) humor(72) ice age(12) India(45) informational(49) insects(60) juvenile(109) juvenile literature(14) juvenile non-fiction(37) kids(87) knights(20) law(20) life cycle(47) life science(18) light(35) mammals(18) math(37) Middle Ages(39) middle grade(23) missionaries(163) mortality(18) music(74) nature(70) ocean(36) pets(25) picture book(242) pigs(19) politics(36) politics and government(12) pop-up(30) preschool(30) primary(28) prisoners(20) puzzles(18) reference(107) religion(82) religious(36) reptiles(11) school(22) science(766) social studies(53) sound(22) spiders(22) sports(30) the state(8) usa(30) weather(50) young readers(16) youth(41)