Crum, William Leonard. <br/><br/>
The age structure of the corporate system / 

 - London :  University of California Press,  1953. 
 - 181 p. :  23 cm. 
 - Publications of the Bureau of Business and Economic Research, University of California. .
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corporations--United States.
<br/><br/><label>Dewey Class. No.: </label>338.74  / CRA