Clair Oswald <br/><br/>
Key to Ricardo 

 - New  York Augustus M Kelley USA     1957 
 - xxv; 364p.  cm. 
 - Reprints of Economic Classics .
<br/><br/><label>Standard No.: </label>17786 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Dewey Class. No.: </label>"XxL72:9, J7/TD3;1/TD1"