Census of India 1981 <br/><br/>
Kerala district census handbook, Ermkulum: village directory and town directory, primary census abstract 

 - Trivandrum  Director of Census Operations  1990 
 - 215+p. 
 - Census of India 1981. Series-10, Kerala. Part XIII-A & B .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/81/10/Pt13A&B/E