Hector BERLIOZ. L.S., signed by 20 other artists, Paris 30 June 1863, to M. Barbet, head of the music of the 70th line; 1 page in-4 on the letterhead of the Central Committee of the Association of Musicians. Letter of thanks for his assistance at the festival given on 28 June at the Pré Catelan, and intended "to improve the position of military and civilian musicians". Among the signatories are Auber, H. Reber, Baron Taylor, Ambroise Thomas...