Census of India,1971 <br/><br/>
Ethnographic study No.3 (No.22 of 1961 series) Monograph Series V.1, India, Pt. V Koraga 

 - India  Govt. Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.2sN71, L1.1