Joseph-Henri ROSNY aîné. 3 autograph manuscripts signed, [1921]; pages in-8, bound in 3 volumes of marbled paper boards, title-piece on spine. Set of three literary chronicles, signed as a member of the Académie Goncourt. The manuscripts present numerous erasures and corrections; they were used for the printing in the review Comœdia (we indicate in brackets the dates of publication). Le tréteau des lettres. Lutèce fleurie (14 p.), on the detective novel [5 October 1920]; at the end, a note about D'Annunzio. Bound at the top is a L.A.S., January 28, 1921, requesting an advertisement for his new novel Les Pures et les Impures. The evolution of the novel and the theater, about Jacques Boulenger's book, Mais l'art est difficile! (Plon, 1921) (8 p.). [April 24, 1921]. The melodrama (7 p.). [25 September 1921].