Classificação da Biblioteca do Congresso dos EUA (LCC)GV191.4

accidents(202) adventure(3,092) adventure travel(207) Appalachian Trail(470) autobiography(646) backpacking(1,058) biography(1,699) California(723) camping(1,663) Canada(202) caves(165) climbing(3,417) disasters(104) environment(151) Everest(2,524) expeditions(136) exploration(415) geography(375) geology(215) guide(975) guidebook(1,257) handbook(102) hiking(7,563) Himalayas(1,259) history(1,502) how-to(352) humor(426) instruction(83) instructional(256) knots(68) local(128) man vs. nature(21) maps(558) Minnesota(118) mountain-climbing(47) mountaineering accidents(56) National Parks(261) nature(2,430) New Hampshire(166) New Jersey(97) New Mexico(188) New York(221) Northwest(101) outdoors(3,599) photographs(194) photography(309) pnw(75) Portland(505) recreation(540) reference(1,428) rescue(102) safety(77) science(481) Scotland(276) self-sufficiency(74) Sherpas(91) Southwest(114) sport(231) sports(801) survival(2,595) survival skills(81) survivalism(78) Tennessee(78) tourism(96) travel(5,735) travel writing(121) travelogue(71) trekking(144) true adventure(45) US travel(65) usa(447) Vermont(74) Virginia(135) Washington(449) Washington State(131) White Mountains(76) wilderness(476) Wyoming(68)