Census of India 1981 <br/><br/>
Kerala: provisional population totals 

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