Classificação da Biblioteca do Congresso dos E.U.A. (LCC)SF613.H44

1930s(63) 1940s(35) agriculture(138) anatomy(117) anecdotes(63) animal behavior(51) animal husbandry(71) animal stories(277) animal welfare(40) animals(4,381) autobiographical(56) autobiographical novel(12) autobiography(1,197) biographical fiction(34) biography(1,580) biology(87) birds(106) Britain(114) British(321) British author(28) canine(40) care(14) career(33) careers(92) cats(793) cattle(35) classic(100) classics(119) college course(11) country life(23) cows(44) disease(59) dog(68) dogs(756) emergency(23) England(1,036) farm(74) farm animals(46) farm life(20) farmer(12) farmers(17) goats(47) Great Britain(72) health(185) heartwarming(24) herpetology(22) history(112) homesteading(28) horse(90) horses(460) human-animal relationships(32) humor(1,022) informational(36) jobs(66) literature(154) livestock(50) mammals(62) medical(141) medicine(197) nature(261) nutrition(38) occupations(45) pets(629) physiology(31) pigs(46) poultry(21) rabbits(53) rats(25) reference(378) reptiles(65) rural(36) rural England(10) rural life(30) science(244) sheep(83) small animals(54) stories(53) studio(29) surgery(65) true stories(27) uk(85) wildlife(56) zoo(62)