International directory of photographic archives of works of art. 

 - Paris :  Unesco,  c 1950. 
 - xx, 667 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>331  331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography.
<br/><br/><label>Dewey Class. No.: </label>770.058 / U3i