Duggan, Stephen. <br/><br/>
Safeguarding the integrity of the agencies of information. 

 - New York-US :   Institute International Education,   1938. 
 - páginas 3-15 
 - Irregular 
 - Vol. 13, no. 1(Oct. 1938) 
 - News. Bulletin ;   no. 1 .
 - Institute of International Education. .