Owings, Loren C <br/><br/>
Environmental values, 1860-1972  : a guide to information sources / 
Loren C. Owings 
 - Detroit, Mich. :  Gale Research Co.,  1976 
 - xii, 324 p. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>081031343X 
<br/><br/><label>LCCN: </label>73-017539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology--United States--Bibliography<br/>Nature--Bibliography<br/>Outdoor life--United States--Bibliography