@Book{OL5761422M,
    title: {Norman Clyde of the Sierra Nevada},
    author: {Norman Clyde},
    publisher: {Scrimshaw Press},
    year: {1971},
    place: {[San Francisco]},
}

@Book{OL5952301M,
    title: {A climber's guide to the High Sierra},
    author: {Sierra Club},
    year: {1965},
    place: {San Francisco},
}

@Book{OL21488291M,
    title: {Up and down California in 1860-64},
    author: {William H. Brewer},
    publisher: {University of California Press},
    year: {1974},
    place: {Berkeley},
}

@Book{OL4409628M,
    title: {Fifty classic climbs of North America},
    author: {Steve Roper and Allen Steck},
    publisher: {Sierra Club Books},
    year: {1979},
    place: {San Francisco},
}

@Book{OL24060809M,
    title: {Early days in the range of light},
    author: {Daniel Arnold},
    publisher: {Counterpoint},
    year: {2009},
    place: {Berkeley, Calif},
}

@Book{OL8273508M,
    title: {Camp 4},
    author: {Steve Roper},
    publisher: {Mountaineers Books},
    year: {1998},
}

@Author{OL544452A,
    name: {Steve Roper},
    birth_date: {1941}
}