Census of India 1961 <br/><br/>
Kerala: survey monographs, Alleppey district 

 - Delhi  The Manager of Publications  1965 
 - 353+p. 
 - Census of India 1961. Volume VII, Kerala. Part VI D .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/61/7/PT6D