Letter from an academician to the editors of the Journal des Sçavans, concerning the calculous made by M. Delisle, on the transit of Venus occurring on June 1761.
in french.
from:
Journal des Sçavans, Paris, avril 1761, p. 250-251.
© Gallica, BNF
 

Letter from M. Trébuchet, former Officer of the Queen, to the editors of the Journal des Sçavans, answering the letter of an academician, included in the journal of April 1761, concerning the calculous made by M. Delisle concerning the transit of Venus occurring in June.
in french.
from:
Journal des Sçavans, Paris, février 1762, p. 101-109.
© Gallica, BNF
 

Letter to the editors of the Journal des Sçavans about the transits of Venus and about the eclipse of the Sun occurring in 1764 from M. Trébuchet, former Officer of the Queen.
in french.
from:
Journal des Sçavans, Paris, mai 1766, p. 644-657.
© Gallica, BNF