Porter Roy <br/><br/>
Revolution in history 

 - Cambridge  Cambridge University Press          1986 
 - 339p.  cm. 
<br/><br/><label>ISBN: </label>0521259789  euro 895 
<br/><br/><label>Source: </label> 374, 07/10/1987, SBD  General Book 
<br/><br/><label>Dewey Class. No.: </label>W81, M6