History. 2016. Mahadevan, I.Early Tamil Epigraphy pp. 91–94 Mahadevan, I.Tamil-Brahmi Inscriptions pp. 1–12 Souler, B. Handbook of Oriental Studies p. 44 Government
维基共享资源上的相关多媒体资源:泰米尔婆罗米文 Tamil Nadu government Tamil-Brahmi page (页面存档备份,存于互联网档案馆) An epigraphic perspective on the antiquity of Tamil (页面存档备份,存于互联网档案馆)
[2011-01-09]. (原始内容存档于2017-08-29). FAQ - Tamil Language and Script - Q: What can you tell me about Tamil Digit Zero?. [2011-01-09]. (原始内容存档于2020-08-04)