Duggan, Stephen. <br/><br/>
The communist state, yesterday and today. 

 - New York-US :   Institute International Education,   1940. 
 - páginas 3-15 
 - Irregular 
 - Vol. 16, no. 4(Jan. 1940) 
 - News. Bulletin ;   no. 4 .
 - Institute of International Education. .