Delavenay, Emile. <br/><br/>
For books /    
E. Delavenay. 
 - Paris :   UNESCO ,   1974. 
 - 74p. ;    21 cm. 
 - UNESCO and its programme ;   [33]. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Book industries and trade.--------<br/>Books.--------<br/>Books and reading.--------