Barnes, Harry Elmer. <br/><br/>
Society in transition ; problems of a changing age 

 - New York :  Prentice-Hall,  1942 
 - 999 p. 
<br/><br/>Bibliografia : p. 971-999 
<br/><br/><label>LCCN: </label>73220 
<br/><br/><label>Subjects--Topical Terms: </label><br/>E.U.A.--Condiciones sociales.<br/>Sociología.
<br/><br/><label>Dewey Class. No.: </label>301.24  / B37