The Annual international Congress calender :  a chronological listing of international congresses, conferences, meetings, symposia / 
Union of International Association 
 - Belgium :  Union of International Associations,  1963 
 - 124 p. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calender
<br/><br/><label>Dewey Class. No.: </label>060.63