Classification de la Bibliothèque du CongrèsS

19th century(190) African American(172) agriculture(3,419) animal husbandry(43) animals(519) autobiography(212) biographies(101) biography(1,316) biology(152) black history(87) botany(155) business(110) Canada(91) children(262) children's(297) children's literature(115) climate(50) climate change(72) commerce(58) community(85) conservation(314) cookbook(145) cooking(263) country(45) country life(255) country living(133) countryside(62) crops(44) culture(110) diy(147) earth(80) ecology(736) economics(135) England(196) environment(882) environmental(81) environmentalism(167) family(155) farm(979) farm animals(136) farm life(239) farmer(42) farmers(89) food(1,824) food politics(54) food production(30) food writing(72) garden(398) gardening(2,928) gardens(121) geography(134) geology(123) green(115) health(211) history(1,544) homesteading(700) horticulture(195) how-to(170) humor(212) informational(90) inventors(145) juvenile(114) land(48) land use(29) lifestyle(47) livestock(125) Maryland(47) natural resources(56) nature(851) nature writing(43) nutrition(110) organic(306) photographs(91) photography(117) picture book(571) poultry(31) reference(497) research(109) rural(126) rural life(172) rural living(36) science(1,039) scientists(187) self-reliance(78) self-sufficiency(477) simple living(65) social history(80) social studies(93) standards(40) sustainability(791) sustainable living(133) tools(76) travel(267) trees(111) usa(246) usda(203) Vermont(71) Virginia(122) worms(61)