St. Clair, Oswald. <br/><br/>
A key to Ricardo / 
Oswald St. Clair. 
 - London :  Routledge,  1957. 
 - 364 p. ;  23 cm. 
 - Routledge library editions - Economics. .
 - Routledge library editions - Economics. .
<br/><br/> Transferred to digital printing 2004. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0415313376 9780415313377 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ricardo, David, 1772-1823. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--History.--United Kingdom