Bibliography of publications issued by Unesco or under its auspices:  The first twenty- five years: 1945 to 1971 

 - Paris :  Unesco,  1973. 
 - 385p. 
<br/><br/><label>ISBN: </label>92-3-001037-5 
<br/><br/><label>LC Class. No.: </label>Z 6483   / .U5U47 1973