Burns, James MacGregor. <br/><br/>
The deadlock of democracy :  four-party politics in America / 
James MacGregor Burns. 
 - Englewood Cliffs, N.J :  Prentice-Hall,  1963. 
 - xi, 388 p. ;  24 cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political parties--United States