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1by Godfrey, Michael A., 1940-, Godfrey, Michael A., 1940-, Godfrey, Michael A., 1940-“...Sierra Club Books,...”
Published 1980
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11by Hornbein, Thomas F., 1930-, Hornbein, Thomas F., 1930-, Hornbein, Thomas F., 1930-“...Sierra Club ; Ballentine Books,...”
Published 1968
Conference Proceeding Book -
12by Thoreau, Henry David, 1817-1862, Thoreau, Henry David, 1817-1862, Thoreau, Henry David, 1817-1862“...Sierra Club : Ballantine Books,...”
Published 1967
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