Agreement for facilitating the international circulation of visual and auditory materials of an educational, scientific and cultural characters :  a guide to its operation. 

 - 2nd ed. 
 - [Paris,  1969] 
<br/><br/> "The Beirut agreement adopted by the General Conference of Unesco at Beirut, 1948."  Text of agreement: p. 19-31.  First published 1954. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual library services.