Characteristics of the low-income population, 1970. 
[Prepared by Mark S. Littman and Elizabeth C. Shelburne] 
 - Washington;  For sale bye the Supt. of Docs., U.S. Govt. Print. Off.,  1971. 
 - iii, 99 p. 
<br/><br/> "A United States Department of Commerce publication." 
<br/><br/><label>Dewey Class. No.: </label>312.9  / U58