Education for international understanding under conditions of tension / 
edited by Hugo Serden. 
 - Hamburg :  Unesco Institute for Education,  [1964] 
 - Publications on education for international understanding ;  no. 6 .
<br/><br/> Proceedings of a seminar held July 15-28, 1962, organized by the Unesco Institute for Education and the Czeckoslovak Commission for Unesco. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International education.