Political oppositions in western democracies 
edited by Robert A. Dahl 
 - New Haven  Yale University Press  1971 
 - 458p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Politics, Practical<br/>Political parties<br/>Opposition (Political science)
<br/><br/><label>Dewey Class. No.: </label>F51 D137