Beacham's encyclopedia of social change :  America in the twentieth century / 
edited by Veryan B. Khan. 
 - Nokomis, FL :  Beacham Group,  © 2001 
 - 4 v. :  il. 
<br/><br/>Incluye referencias bibliográficas 
<br/><br/>v. 1: A-En.  v. 2: Et-L.  v. 3: M-Rel.  v. 4: Ret-W 
<br/><br/><label>ISBN: </label>0-933833-62-8 (o. c.) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos--Condiciones sociales,--Siglo XX--Enciclopedias
<br/><br/><label>Dewey Class. No.: </label>R 306.097303 B365