Ely,R.T. <br/><br/>
Elementary Principles of Economics 

 - 1st /   1915. 
 - London:  Macmillan,  1915. 
 - 406p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Economics, Principles of Economics. 
<br/><br/><label>Dewey Class. No.: </label>330