Census of India,1971 <br/><br/>
General report .V 9, Kerala Pt.1-A & B. 

 - Kerala  Govt . Press          1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.212sN71, L1.9-1A & B