Willemin, Silvere. <br/><br/>
Technique of union catalogues :  a practical guide / 
Silvere Willemin. 
 - Paris :  Unesco,  1966. 
 - 98 p. ;  24 cm. 
<br/><br/> Reprinted from the January-February 1966 number of the Unesco bulletin for libraries. - tp verso. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Catalogs, Union.