Clark, John Maurice <br/><br/>
Guideposts in time of change / 
John Maurice Clark 
 - New York :  Harper ;  1949 
 - x, 210p. :  ill. ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic history--United States
<br/><br/><label>Dewey Class. No.: </label>330.973  / CLA