Ely Richard T, and others <br/><br/>
Outlines of economics 
Ely Richard T, and others 
 - Ed.3 
 - New York  Macmillan           1916 
 - xiii,769p  cm. 
<br/><br/> Appendix: p 741-759 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X, E6