Clasificación de la Biblioteca del CongresoSF421-440.2

abc(74) aggression(52) anecdotes(48) animal behavior(529) animal husbandry(29) animal stories(179) animal welfare(25) animals(6,693) art(152) autobiography(262) behavior(558) biography(781) biology(225) canine(588) care(46) cats(285) children(288) children's(358) dog(1,836) dogs(17,291) domestication(17) early reader(98) easy reader(104) family(298) friendship(179) Grade 2(52) guide(100) health(126) history(431) how-to(189) human-animal relationships(179) humor(617) hunting(80) informational(202) inspirational(68) instructional(47) juvenile(129) juvenile non-fiction(56) kids(96) love(149) mammals(234) narrative nonfiction(38) nature(404) nutrition(63) pets(3,968) photographs(161) photography(472) picture book(598) psychology(310) reader(76) reference(1,178) rescue(115) science(784) service dogs(21) sports(99) travel(128) true stories(40) wolves(78)