Census of India,1961 : (Vol.1 Monograph series, Part 6 n.2 sicio eco-survey by b.k. roy burman) 

 - Delhi  Manager of publications  1966 
 - x,57p. 23plates 
<br/><br/><label>Dewey Class. No.: </label>Y1:5s2:N61  / J1.6.2