Helkov, Henric <br/><br/>
Oru prathibha janikkunnu / 
by Henric Helkov 
 - Thiruvananthapuram :  Prabhatham Printing & Publishing Co,  1986. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Biography Communism