St. Clair, Oswald. <br/><br/>
A key to Ricardo / 
St. Clair, Oswald 
 - New York :  A. M. Kelley, Bookseller,  1965. 
 - xxv, 364 p.;  23 cm. 
<br/><br/> "Original edition 1957, reprinted 1965." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ricardo, David, 1772-1823. <br/>Ricardo, David, 1772-1823.  Principles of political economy and taxation. 
<br/><br/><label>Dewey Class. No.: </label>330.1  / STA 1965