Article T. V. Venkateswaran (2021)
Ragoonatha Charry and the observations of the total solar eclipse of 1868 from Vanpurthy (Wanparthy), India. Journal of Astronomical History and Heritage (pp. 363-388). (/isis/citation/CBB102068527/) unapi

Article Ramesh C. Kapoor (2020)
Comet tales from India: the Great September Comet of 1882 (C/1882 R1). Journal of Astronomical History and Heritage (pp. 353-374). (/isis/citation/CBB045665274/) unapi

Article R. C. Kapoor (2019)
John Warren's unpublished observations of the Great Comet of 1811 from India. Journal of Astronomical History and Heritage (pp. 147-154). (/isis/citation/CBB910361934/) unapi

Article R. C. Kapoor (2019)
On observations of the Great Comet of 1807 (C/1807 R1) from India. Journal of Astronomical History and Heritage (pp. 137-146). (/isis/citation/CBB655972567/) unapi

Book B. S. Shylaja (2012)
Chintamani Ragoonatha Charry and Contemporary Indian Astronomy. (/isis/citation/CBB874699887/) unapi

Article Kapoor, R. C. (2011)
Madras Observatory and the Discovery of C/1831 A1 (The Great Comet of 1831). Journal of Astronomical History and Heritage (p. 93). (/isis/citation/CBB001221511/) unapi

Article Rao, N. Kameswara; Vagiswari, A.; Thakur, Priya; et al. (2009)
C. Ragoonatha Charry and Variable Star Astronomy. Journal of Astronomical History and Heritage (p. 201). (/isis/citation/CBB001034803/) unapi

Article Ananthasubramaniam, C.K. (1991)
The Madras Observatory, 1792-1931. Journal of the Royal Astronomical Society of Canada (pp. 97-106). (/isis/citation/CBB000041793/) unapi