Bulletin of League of nations teaching :   the teaching of the principales and facts of international co-operation / 

 - Geneva :  Secretariat of the League of nations,  1937 
 - 213 p. ;  25 cm. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>League of Nations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Periodicals. <br/>League of Nations.
<br/><br/><label>Dewey Class. No.: </label>341.1  / BUL 1937