Veḷḷaivāraṇan̲, Ka. <br/><br/>
Tolkāppiyam-Nan̲n̲ūl, el̲uttatikāram. 

 -  1962. 
 - 344 p.  23 cm. 
<br/><br/> In Tamil. 
<br/><br/><label>LCCN: </label>sa 66000772  
<br/><br/><label>Subjects--Personal Names: </label><br/>Tolkāppiyar. Tolkāppiyam. <br/>Pavaṇanti, active 1178-1214.  Nan̲n̲ūl. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tamil language--Orthography and spelling.
<br/><br/><label>LC Class. No.: </label>PL4754.T62  / V4