Census of India, 1991 <br/><br/>
Language table C-7. Kerala. V. 12, Pt. Part IV B(i) (a) 

 - Kerala  Govt. Press           1991 
 - iii, 187p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.212sN91, P3.12