Gilb, Corinne Lathrop <br/><br/>
Hidden hierarchies :  the professions and government / 
Corinne Lathrop Gilb 
 - London :  Harper and Row,  c1966 
 - viii, 307 p. ;  20 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor unions--History--United States<br/>Trade associations--History--United States
<br/><br/><label>Dewey Class. No.: </label>331.880973