Howlay, Amos H. <br/><br/>
Human ecology: a theory of community structure 
by Amos H. Hawlay 
 - New York  Ronald  1950 
 - 456p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.
<br/><br/><label>Dewey Class. No.: </label>BA2 H316