Clark, John Bates,  1847-1938 <br/><br/>
Essentials of economic theory as applied to modern problems of industry and public policy / 
by John Bates Clark 
 - New York :  Augustus M. Kelly,  1968 
 - 566 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics