Petersen, William. <br/><br/>
Population / 
William Petersen. 
 - 3rd ed. 
 - New York :  Macmillan,  c.1961 
 - 652 p.:  ill.;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POPULATION--USA.
<br/><br/><label>Dewey Class. No.: </label>304.6  / PEP 1961