Visvavijnanakosham /  Vol.1,2,3,4,5,6,7,8,9,10 

 - Kottayam :  Sahitya Pravarthaka Co-operative Society,  1971. Kottayam :  Sahitya Pravarthaka Co-operative Society,  1989. Kottayam :  Sahitya Pravarthaka Co-operative Society,  1972. Kottayam :  Sahitya Pravarthaka Co-operative Society,  1970. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Encyclopaedia Kerala Visva vijnana kosham  Viswavijnanakosham Visva vijnanakosham