Van Horne, John. <br/><br/>
Foreign summer shools for american students. 

 - New York-US :   The institute of international education,   1932. 
 - páginas 4-5 
 - Irregular 
 - Vol.VII, no.8 (May.1932) 
 - News bulletin  ;   no.8 .
 - The institute of international education. .