Duggan, Stephen. <br/><br/>
News Bulletin ;   no. 8 

 - New York-US :   Institute International Education,   1947. 
 - páginas 3-23 
 - Irregular 
 - Vol. 22, no. 8(May. 1947) 
 - News Bulletin ;   no. 8 .
 - Institute of International Education. .