MUSIC. 10 L.A.S. Adrien Boieldieu (to a collaborator), Giovanni Bottesini (list of works for a concert), Hippolyte Chelard (Weimar 1842, to Sonderhausen, "frère en Apollon", asking him to put a poem to his music), Ferdinand David (Leipzig 1847, to Chelard, about Beethoven's triple concerto), Benjamin Godard (1880), Augusta Holmès, Léon Jacquard (1869), Edmond Membré (2, including one to V. Joncières), Caroline Montigny de Serres (1895, to Théodore Leschetitsky, about her pupil Raddran). We enclose 2 l.a.s. by publisher E. Gérard (on Ancienne maison Meissonnier letterhead, 1868, to Gustav Lewy in Vienna) and T. Laffrète (administrator of the Nantes theaters, 1843).