Calvert, Peter <br/><br/>
Revolution 
by Peter Calvert 
 - Praeger : New York  1970 
 - 174 p. ; 23 cm. 
 - Key concepts in political science .
<br/><br/>Bibliography: p. 157-166. 
<br/><br/><label>LCCN: </label>77-095664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Revolutions