Census of India, 1961 <br/><br/>
Onam   Festival of Kerala. Kerala. Monoraph. V. 1, Part 7 B, No. 2    

 - Kerala  Govt. Press           1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.212sN61, Ki.7-1A1