Colleges de señoritas. 

 - New York-US :   The Carengie Endowment for International Peace,   1941. 
 - páginas 36-41 
 - Irregular 
 - No. 1 (Jan. 1941) 
 - Institute of International Education ;   no. 1 .
 - The Carengie Endowment for International Peace. .