Census of India 1961 <br/><br/>
West Bengal and Sikkim: migration tables (D-IV to D-VI) 

 - Delhi  The Manager of Publications  1966 
 - 515+p. 
 - Census of India 1961. Volume XVI, West Bengal and Sikkim. Part II-C (iii) .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/61/16/Pt2C/3