T.K. Sankara Menon <br/><br/>
Census of India 1931 Volume- 21 (Cochin) Part 1- Report, Part 2- A & B- Tables 

, ASI_1162 
, CAL_13633,CAL_13637 
 - Ernakulam  Cochin Government Press  1933 
 - 492 
<br/><br/> ASI Library 
<br/><br/><label>Dewey Class. No.: </label>312.0954/C.I.  / (31)