Investigation of concentration of economic power / 

 - Washington:      Government Printing Office,  1941 
 - 32p. ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic conditions--United States
<br/><br/><label>Dewey Class. No.: </label>330.973   / US