Sierra Club

Sierra Club is an environmentalist organization with Greenpeace and Friends of the Earth among others.
References

 Other websites 


 Sierra Club's Addup.org
 The Sierra Club Foundation
 Join the Sierra Club 
 Guide to the Sierra Club Members Papers at The Bancroft Library
 Finding Aid to Sierra Club Southwest Office records, 1900–2000, The Bancroft Library
 Finding Aid to the Sierra Club Board of Directors meeting minutes, 1892–1995, The Bancroft Library
Holt-Atherton Special Collections: John Muir Papers 

Category:San Francisco Bay Area
Category:Non-profit organizations of California
Category:Environmental organizations based in the United States
Category:1892 establishments in California