Purdy, Harry L, et al. <br/><br/>
Corporate concentration and public policy 

 -  Prentice Hall Inc., New Jersey  1948 
 - 650 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States-Industrial economics
<br/><br/><label>Dewey Class. No.: </label>338.60973  PUR-C