Census of India,1971 <br/><br/>
Social and cultural tables and Pt. 5-A special tables on scheduled tribes. Nagaland  V.15, Pt. 2C(1). 

 - Nagaland  Govt. Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.277NsN71, L1.15-2C(1)