Interest groups on four continents /    
edited for the International Political Science Association by Henry W. Ehrmann. 
 - Pittsburgh :   University of Pittsburgh Press,   1967. 
 - xiv, 316 p. ;    23 cm. 
<br/><br/>  "Result of a round-table conference held by the International Politi cal Science Association at the University of Pittsburgh, September 9-13 , 1957"--P. v.   Reprint. Originally published: Pittsburgh : University of Pittsburgh Press, 1958. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0313241740 (lib. bdg.) 
<br/><br/><label>LCCN: </label>83-012973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pressure groups --Congresses.------
<br/><br/><label>Dewey Class. No.: </label>328.368 INT