MacDowall, David William. <br/><br/>
Coin collections :   their preservation, classification and presentation / 
David William MacDowall. 
 - Paris :  Unesco,  c 1978. 
 - 107 p. :  ill. ;  22 cm. 
<br/><br/>330  330 
<br/><br/><label>ISBN: </label>92-3-101619-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coins -- Preservation.<br/>Numismatica.
<br/><br/><label>Dewey Class. No.: </label>737.4 / U2c