1. Director of Information and Public Relation, Ramanathapuram District, Tamil Arasu, Madras, Vol.II, No.16, February 1972, pp.11-18
2. C.D. Maclean, Manual of the Administration of the Madras of Pondicherry, Vol.1, Op.cit. Pp.285-287.
3. David Ludden, Early Capitalism and Local authority in South India, Oxford, London, 1985, p.76.
4. Ibid, p.705.
5. K. Sathyanatha Iyer, History of the Nayaks of Madurai, Asian Educational Services, New Delhi, 2001, p.65.
6. Ibid, p. 95.
7. R.Nagasamy (ed.), The History of Palaiyappattu, TamilNadu Oriental Manuscript Library, TamilNadu State Archaeology Department, 1981, p.9.
8. M.T.Karunakaran, Coins of Sri Ranga Muthu Veerappa Nayak, Madras Coins Society, Special Bulletin, Vol.VI, 1999, Pp.20-24.
9. S.M.K. Hameed Jalal and Sankaran Raman, Copper Coins of Rani Mangammal (Tamil), Madras Coin Society, Special Bulletin, Vol.VI, 1999, Pp.35-62.
10. Sella Muthu Vijaya Raghunatha Sethupathi,Palkulam Copper Plate, Tamilnadu Government Archaeological Museum, Ramanathapuram, 1763,p.1.
11. Rajaram Rao, T., Manual of the Ramand Samasthanam, Madurai, 1891, p.8.
12. Thirumalai Raghunatha Sethupathi, Senneelakudi Copper plate, Byrava Sundara Gurukal, Thirupattur, 1668, p.2.
13. Kamal S.M., Sethupathi Mannar Cheppedukal, Ramanathapuram, 1992, pp.47.
14. Muthu Vijaya Ragunatha Sethupathi Katha Thevar, Palakulam copper plate, Tamilnadu Government Archaeological Museum, Ramanathapuram, 1763, p.1.
15. Ragunatha Thevar, Rajasingamangalam copper plate, Tamilnadu Government Archaeological Museum, Ramanathapuram, 1688, p.2.
16. Muthaloore Inscription, Sevvirukkai nadu, kalungu is a kind of construction made at the lower part of the kanmai (Tank) to release water. Madai is a kind of construction made for irrigating into the fields lying adjacent to the kanmai.
17. Sellamuthu Vijaya Raghunatha sethupathi, Palkulam copper plate, Tamilnadu Government Archealogical Museum, Ramanathapuram, 1763, p.1. Kamal, S.M., Sethupathi Mannar Varalaru, p.54.
18. Raghunatha Thirumalai Sethupathi Katha Thevar, Allikulam copper plate, Ramanathapuram Devasthana office, Ramanathapuram, 1659, p.2.
19. Vijaya Raghunatha Sethupathi Katha Thevar, Vilathoor copper plate, Rameshwaram Ramanathaswami temple, Rameshwaram, 1714, p.2.
20. Diary and Consultation Books, 1703, p.244.
21. Sathyanatha Aiyar, R., History of the Nayaks of Madura, Madras, 1924, p.322.
22. Ibid, p.95.
23. Karunakaran, M.T., A Copper coin in the name of Sethupathi, (Tamil) Madras Coin Society, Special Bulletin,Vol.VIII,2001,p.58.
24. Vasanthi, C., Ramanathapuram palace Museum Guide, TamilNadu Government Archaeological Department, Chennai, 2014, pp.29-30.
25. Hayes (ed.), Genius of Arab Civilization, p. 223.