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John Muir family, friends, and adventures /
Published 2005An electronic book accessible through the World Wide Web; click to view
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Laurance S. Rockefeller catalyst for conservation /
Published 1997An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
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Called by the wild the autobiography of a conservationist /
Published 2002An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
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A wilderness within the life of Sigurd F. Olson /
Published 1997An electronic book accessible through the World Wide Web; click to view
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The storks' nest (life and love in the Russian countryside) /
Published 2008An electronic book accessible through the World Wide Web; click to view
Electronic eBook