How to investigate the coppsuight status of a work / 
United States Library of Congress, Copyright Office 
 - Washington, D. C. :  U. S. Library of Congress, Copyright Office,  1978 
 - 7 p. ;  27 cm. 
<br/><br/> Head of the title circular R 22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corporations--Valuation<br/>Business enterprises--Valuation
<br/><br/><label>Dewey Class. No.: </label>338.740973