Social commission of the 12th session (27 April - 15 May 1959). 

 - New York  UN           1959 
 - 32p. Suppl;11  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45,936:8.N59r, J9.11/UN