Speeches and messages :  twentieth anniversary of the organisation 4 November 1966. 

 - Paris :  United Nations Educational, Scientific and Cultural Organisation,  1966. 
 - 259p. ;  27cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNESCO--Anniversaries.<br/>UNESCO--History.<br/>International organization.<br/>Social sciences.<br/>Speeches, addresses, etc.
<br/><br/><label>Dewey Class. No.: </label>001.0601