Classificação da Biblioteca do Congresso dos E.U.A. (LCC)GV200.63

21st century(19) accidents(33) adventure(486) adventure travel(21) animals(29) army(24) autobiography(60) backpacking(60) biography(122) camping(239) cartography(14) cave(8) caves(162) climbing(896) Dave(8) desert(21) deserts(14) disasters(13) diy(41) earth(14) education(24) emergency(15) environment(24) Everest(100) expeditions(10) exploration(56) exploring(7) geography(81) geology(57) guide(113) guidebook(42) Hall(9) handbook(57) health(43) hiking(239) Himalayas(48) history(105) homesteading(22) how-to(198) hunting(19) instruction(72) instructional(185) knots(57) Krakauer(6) map(18) maps(83) medicine(17) military(108) nature(481) others(5) outdoors(822) photographs(27) photography(24) Portland(65) prep(6) psychology(112) recreation(60) reference(450) rescue(63) risk(8) rock(12) safety(28) science(233) self-help(51) self-reliance(14) self-sufficiency(59) soccer(18) sport(71) sports(197) Subterranean(8) survival(1,545) survival skills(65) survivalism(71) survivalist(6) technique(27) travel(289) true adventure(9) true stories(7) weather(28) wilderness(225)