Duggan, Stephen P. <br/><br/>
Foreign lecturers and american universities. 

 - New York-US :   The institute of international education,   1931. 
 - páginas 2-3 
 - Irregular 
 - Vol.VII, no.1 (Oct.1931) 
 - News bulletin  ;   no.1 .
 - The institute of international education. .