Population bulletin. 

 - Washington, DC :    Population Reference Bureau,    1971- 
 - v. :    ill. ;    23 cm. 
 - Bimonthly 
 - Vol. 12, no. 1 (1956)- 
<br/><br/>  Latest issue consulted:  Vol. 56, no. 1 (2001). 
<br/><br/><label>Dewey Class. No.: </label>301.3205