Report on the world social situation 
 World social situation. 

 - volúmenes 
 - United nations document e/cn : 5/375/rev.ist/soa ;  52 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historia social--Siglo XX
<br/><br/><label>LC Class. No.: </label>HN15  / N348