World Directory of Environmental Organizations 

 - California,  Sierra Club,  1973, 
 - 155p.  30cm. 
<br/><br/><label>ISBN: </label>0912102101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Organizations
<br/><br/><label>Dewey Class. No.: </label>577.4  / WOR