The unfinished revolution :  an essay on the sourses of influence of marxim and communism 
adam b.ulam 
 - New York :  c1960 
 - 307 p. :  21 cm. 
<br/><br/> index 
<br/><br/><label>ISBN: </label>9781609803872 (pbk.) 
<br/><br/><label>LCCN: </label>2011052738 
<br/><br/><label>LC Class. No.: </label>HQ1236  / .U49 2012 
<br/><br/><label>Dewey Class. No.: </label>305.42