Luff, John N <br/><br/>
Postage stamp catalogue 
John N. Luff and Hugh M. Clark 
 - 19a 
 - 1029 p.  Il.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencias sociales
<br/><br/><label>Dewey Class. No.: </label>300  / LUF POS 1934