Maloney, Clarence. "The Beginnings of Civilization in South India." The Journal of Asian Studies 29, no. 3 (1970): 603. doi:10.2307/2943246.
Pillai, S. A. "Tamil Nouns." Anthropological Linguistics 6, no. 1 (1964): 7-12. http://www.jstor.org/stable/30022445.
Agesthialingom, S. "A Note on Tamil Verbs." Anthropological Linguistics 13, no. 4 (1971): 121-25. http://www.jstor.org/stable/30029289.
Britto, Francis. "Personal Names in Tamil Society." Anthropological Linguistics 28, no. 3 (1986): 349-65. http://www.jstor.org/stable/30027962.