Cohen, Michael P. <br/><br/>
The history of the Sierra Club, 1892-1970 / by Michael P. Cohen. 

 - San Francisco :  Sierra Club Books,  1988. 
 - xvii, 550 p. ; 24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0871567326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sierra Club--History.