Avari, Burjor (2016). India: a History of the Indian Subcontinent from c. 7000 BCE to CE 1200 (2nd ed.). New York: Taylor and Francis. ISBN978-1-317-23673-3. OCLC953659820.
Caldwell, Robert. A political and general History of the District of Tinnevelly In the Presidency of Madras. ISBN978-3-337-13334-4. OCLC1189923370.