Pratt, N. S. <br/><br/>
Revolutions / 
N. S. Pratt. 
 - London :  Bell,  1975 
 - 80 p. :  ill. ;  21 cm. 
 - Topics in history .
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>77353420  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Revolutions.