Forster, R. K. <br/><br/>
World postmarks /  
by R. K. Forster. 
 - London :    Batsford,    1973. 
 - 187 p. :    ill., plates ;    23 cm. 
 - Batsford studies in philately .
<br/><br/>Includes bibliographical references (p.175 -180). 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Postmarks.
<br/><br/><label>Dewey Class. No.: </label>769.56 FOR