Clasificación de la Biblioteca del CongresoTH7005-7699

architecture(173) art(7) buildings(16) construction(73) cookbook(7) cooking(8) corporate(8) design(39) diy(73) ecology(10) energy(94) engineering(65) environment(16) fire(6) gardening(6) Geneva(6) green(18) guide(10) handbook(32) history(29) homesteading(38) household(8) houses(10) housing(10) how-to(55) math(5) photography(5) practical living(5) reference(74) science(20) self-help(6) self-reliance(5) self-sufficiency(25) sustainability(58) sustainable living(16) systems(5) thermodynamics(5) trades(22) usa(9) wood(11)