"Klettern." . . "American Council of Learned Societies." . . "Electronic books." . . "Escalade de rocher Californie Yosemite, Vallée de Histoire." . . "Alpinizm Stany Zjednoczone Yosemite, Dolina." . . . . . . . . "Pilgrims of the vertical : Yosemite rock climbers and nature at risk" . . "Pilgrims of the vertical Yosemite rock climbers and nature at risk"@en . "Pilgrims of the vertical Yosemite rock climbers and nature at risk" . . . . . . . . . . . "Electronic books"@en . . . . . . . . . . . . . . . . . . . "Geschichte (umfassend)" . . "SPORTS & RECREATION Mountaineering." . . . . "Alpinisme Aspect de l'environnement Californie Yosemite, Vallée de." . . "Rock climbing California Yosemite Valley." . . "Yosemite National Park." . . "Escalade de rocher Californie Yosemite, Vallée de." . . "Wspinaczka Stany Zjednoczone Yosemite, Dolina." . . "Alpinisme CalifornieYosemite, Vallée de." . . "Sports de montagne Aspect de l'environnement Californie Yosemite, Vallée de." . . "Wspinaczka aspekt środowiskowy Stany Zjednoczone Yosemite, Dolina." . . "Mountaineering Environmental aspects California Yosemite Valley." . . "Mountaineering California Yosemite Valley." . . "Rock climbing Environmental aspects California Yosemite Valley." . .