Clasificación de la Biblioteca del CongresoS668

19th century(229) African American(194) agriculture(3,631) animal husbandry(53) animals(482) autobiography(190) Biographies(106) biography(1,540) biology(160) black history(113) botany(193) Canada(94) children(237) children's(254) climate(53) climate change(83) commerce(53) community(116) conservation(323) cooking(234) country life(270) country living(139) countryside(64) crops(54) culture(104) diy(182) earth(86) ecology(790) economics(143) England(199) environment(913) environmental(85) environmental studies(30) environmentalism(176) farm(1,160) farm animals(170) farm life(275) farmer(45) farmers(99) food(1,934) food issues(16) food politics(57) food production(42) food writing(79) garden(459) gardening(3,277) gardens(134) geography(137) geology(139) green(115) guide(72) health(183) history(1,613) homesteading(783) horticulture(208) how-to(161) informational(84) inventors(187) Iowa(65) juvenile(108) land(55) land use(29) livestock(138) machines(42) natural resources(53) nature(929) nature writing(43) nutrition(108) organic(346) photographs(80) picture book(405) poultry(30) reference(500) research(62) rural(123) rural life(184) rural living(38) science(1,088) scientists(259) self-reliance(98) self-sufficiency(562) simple living(64) social history(78) social studies(93) standards(40) survival(91) sustainability(867) sustainable living(143) tools(90) trees(106) usa(254) usda(165) Vermont(79) Virginia(89)