Heer, David M. <br/><br/>
Society and population 
[by] David M. Heer. 
 - Englewood Cliffs, N.J.,  Prentice-Hall  [1968] 
 - ix, 118 p.  illus., map.  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.;Demography.
<br/><br/><label>Universal Decimal Class. No.: </label>301