Population profile of the United States 

 - Washington, D.C.  U.S. Dept. of Commerce, Bureau of the Census  For sale by the Supt. of Docs., U.S. G.P.O. 
<br/><br/> Description based on: 1980. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population--United States--Statistics
<br/><br/><label>GPO Item No.: </label>0142-C-02(online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>C 56.218:P-20/