Petersen, William. <br/><br/>
Population / 
William Petersen. 
 - 3rd ed. 
 -  Macmillan  1969. 
<br/><br/>1320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.
<br/><br/><label>LC Class. No.: </label>HB851  / Pet.