Letter dated 12 julliet 1769, found by François Moureau in the manuscript collection of the Bayerische Staatsbibliothek.

The letter could be addressed to d'Hannetaire, in view of his Observations sur l'Art du Comédien (see), or to Diderot.

First printed edition: the text was published in Sabine Chaouche (edited by), Ecrits sur l'art théâtral (1753-1801). I. Spectateurs, Paris, Honoré Champion, 2005, pp. 363-372.