This article is from the Sierra Club FAQ, by Dan Anderson email@example.com.
Sierra Club history is on the web at http://www.sierraclub.org/history/
Information about John Muir, who founded the Sierra Club in 1892,
is at the John Muir Exhibit at
A good book on Sierra Club history is Michael P. Cohen's
_The History of the Sierra Club, 1892-1970_ (Sierra Club Books, 1988,