Mackay, James A. <br/><br/>
Enciclopedia mundial del sello, 1945-1975 / 
James A. Mackay; [traducción : Joaquín Adsuar]. 
 - Barcelona :  Editorial Noguer ,  1976. 
 - 184 p.  plates.  32 cm. 
<br/><br/> Translation of : Encyclopedia of world stamps, 1945-1975. 
<br/><br/><label>ISBN: </label>8427945191 
<br/><br/><label>LCCN: </label>fel21000449 //r934 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postage stamps--Encyclopedias.
<br/><br/><label>LC Class. No.: </label>HE6196  / .M3418 1976 
<br/><br/><label>Dewey Class. No.: </label>769/.56904