Sen , Sukomal . <br/><br/>
May Day and Eight Hours Struggle in India: A Political History /  Textual Documents 
Sukomal Sen. 
 - 1st ed. / 
 - Calcutta :  K P Bagchi & Co. ,  1988. 
 - xi,221p. :  ill ;  22cm . 
<br/><br/>index 
<br/><br/><label>ISBN: </label>81-7074-033-9 
<br/><br/><label>Subjects--Index Terms: </label>May Day Political History-India G-Political Science 
<br/><br/><label>Dewey Class. No.: </label>320.9  / Se 55 Ma