^ abc"BBC - History - King Louis XV". www.bbc.co.uk. Retrieved 17 June 2022.
^ ab"BBC - History - King Louis XVI". www.bbc.co.uk. Retrieved 24 June 2022.
^Blangstrup, Chr., ed. (1916). "Condamine, Charles Marie de la". Salmonsens Konversationsleksikon (in Danish). Vol. 5 (2 ed.). Copenhagen: J.H. Schultz Forlagsboghandel. p. 169. Retrieved 17 August 2015.