References

• Kenneth Glyn Jones, 1968. The Life and Death of President de Saron, Astronomer and Victim of Terror. Journal of the British Astronomical Association, Vol. 78, No. 2, p. 110-115.
• Kenneth Glyn Jones, 1991. Messier's Nebulae and Star Clusters. 2nd ed, Cambridge University Press, p. 340. [ADS: 1991mnsc.book.....J].
• Jean Baptiste Joseph Delambre, 1827. Histoire de l'Astronomie au dix-huitièmme siècle [History of Astronomy in the Eighteenth Century]. Bachelier (Successor of Mme. Ve. Courcier), Paris. P. xlvij, 313-314.