Report. 

 - [Washington  For sale by the Supt. of Docs., U.S. Govt. Print. Off.  1971] 
 - iii, 310 p.  illus.  28 cm. 
<br/><br/><label>LCCN: </label>73614893 //r903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Youth--Congresses.--United States<br/>Juventud--Congresos.--Estados Unidos
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Social conditions--1960-1980.<br/>Estados Unidos. --Condiciones sociales--1960-1980.
<br/><br/><label>Dewey Class. No.: </label>301.43/15/0973 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 3.W58/3:1/971