Jr, V.O. Key <br/><br/>
Public opinion and American democracy 

 - 9th ed. 
 - new york :  Alfred A. Knopy ,  1961 . 
 - 566p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public opinion<br/>United States<br/>Politics and government
<br/><br/><label>LC Class. No.: </label>HM261