Census of India,1971 <br/><br/>
Social and cultural tables and Pt. 5-A Special tables on scheduled tribes. Andhra Pradesh. V 2. 

 - Andhra Pradesh   Govt. Press          1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.216sN71, L1.2-C(1)&5-A