Hawley, Amos Henry <br/><br/>
Human ecology :  a theory of community structure / 
Amos Henry Hawley 
 - New York :  Ronald Press Co. ,  1950 
 - xvi, 456p. :  ill. ;   24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology
<br/><br/><label>Dewey Class. No.: </label>301.34  / HAW