Agreement on the importation of educational, scientific and cultural materials :  a guide to its operation. / 

 - 3rd ed. 
 - Paris :  Unesco,  © 1958. 
 - 30 p. :  ill. ;  22 cm. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational exchanges--Law and legislation.<br/>Duty-free importation--Law and legislation.<br/>Exchange of publications.
<br/><br/><label>Dewey Class. No.: </label>337.8 / U3a