1903- <br/><br/>
Trends in modern American society / 
by John M. Blum Et...All] 
 - Philadelphia :  University of Pennsylvania Press,  1962. 
 - 191 p. ;  22 cm. 
 - The Benjamin Franklin lectures of the University of Pennsylvania,  7th ser .
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Civilization--1945-
<br/><br/><label>Dewey Class. No.: </label>917.3  / TRE 1962