French writer (1774-1852) and musicologist. between 1805 and 1809 he published a collection of 16 volumes in-12 titled "Quatre saisons du Parnasse", in which he inserted many articles on music, and notices on several musicians.

Autograph letter in French (untranslated) signed by him, dated September 23, 1812, where he addresses Mr. Loins, librarian in Paris: “…Je vous remets 1° le morceau de musique de M. Barni; 2° L’Esprit de M.elle [Sophie] Arnould avec une lettre de cette actrice qui sera mise à la fin; 3° quelques pièces pour le chansonnier de Graces…”. 

Size is 6.1 x 7.7 inches, 1 page, folds, creases, overall rust tone, sealing marks and addressee information on verso, in very good condition.