Spengler, Joseph John <br/><br/>
Population economics; selected essays of Joseph J. Spengler 
compiled by Robert S. Smith, Frank T. de Vyver and William R. Allen. 
 - Durham, N.C.  Duke University Press  1972. 
 - vi, 536 p. 
<br/><br/> 920601 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>78172019 //r72 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population--Addresses, essays, lectures.
<br/><br/><label>LC Class. No.: </label>HB871  / .S652 
<br/><br/><label>Dewey Class. No.: </label>301.32/08