Key, V. O. <br/><br/>
Politics, parties, & pressure groups 
by V. O. Key, Jr. 
 - 5th ed. 
 - New York  Crowell  c1964. 
 - xiii, 738 p.  ill. 
<br/><br/> Photocopy. Ann Arbor, Mich. : University Microfilms International, 1980. 
<br/><br/>Includes bibliographical footnotes and index. 
<br/><br/><label>Source: </label>2013230  University Microfilms International 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Politics, Practical<br/>Lobbying<br/>Political parties--United States.