Census of India 1981 <br/><br/>
Kerala: households and household population by language mainly spoken in the household 

 - Delhi  The Controller of Publications  1987 
 - 171+p. 
 - Census of India 1981. Series-10, Kerala. Paper 1 of 1987 .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/81/10/Pap1/1987