MUSIC. About 50 letters or cards, most of them L.A.S. addressed to the cellist and conductor Achille KERRIOU, circa 1890-1905 (traces of editing, and some defects). Louis-Albert Bourgault-Ducoudray, Alfred Bruneau, Cécile Chaminade, Gustave Chapentier, Édouard Colonne, César CUI (May 30, 1896, details for the performance of his opera Le Prisonnier du Caucase, especially the Circassian Dances), Théodore Dubois, Alphonse Duvernoy, Louis Fabulet, Louis Ganne, Alexandre Georges, Benjamin Godard, Augusta Holmès, Reynaldo HAHN (on Mozart), Victorin Joncières, Paul Lacombe, Charles Lamoureux, Sylvio Lazzari, Fernand Le Borne, Charles Lenepveu, Alexandre Luigini, Marmontel, Jules MASSENET (9), J. Guy Ropartz, Camille SAINT-SAËNS (7), Paul Vidal , etc. Some drafts of Italian tunes, early 19th c. are attached.