Documenti inviati ad Anton Diabelli, agli editori Artaria, Haertel, Giovanni e Giulio Ricordi, a Luigi Cherubini, agli impresari Canedi e Lanari, ad Aldo Noseda, Franco Fano, Giovanni Tebaldini, Adriano Lualdi ecc. Dimensioni varie.

La raccolta comprende: Laura Cinti-Damoreau (2), Marie Cinti-Damoreau (2), Ernest Guiraud (1), Anna Czejka (2), Edouard Batiste (7), Auguste Franchomme (3), Jean M. Baptiste Chollet (3), Josephine Fodor-Mainvielle (1), Lison Frandin (2), Albert Morris Bagby (1), Camille Erlanger (3), Tomas Breton (2), Marie Hanfstaengl Schroeder (1), Carl Hill (1), Francisco Vinas (1), Theodor Wachtel (1), Elly Warnots (2), Mizzi Wirth (1), Emma Wizjak (1), Raimund von Zur Muehlen (1), Giulia Sanchioli (3), Lillian Sanderson (1), Antoine Elias Elwart (4), Giovanni Sani (1), Sophie Dall’Oca Schoberlechner (2), Anton Schott (2), Arthur Grumiaux (1), Febea Strakosch (1), Miguel H. Eslava y Elizondo (1), Paolo Medini (2), Carmen Melis (1), Johannes Messchaert (1), Gabriel Grovler (1), Wladyslaw Miller (1), Angelica Moro (2), Raoul Gunsbourg (1), Francois Lays (1), Louis Lebrun (1), Jules Duprato (1), Johann Albert van Eyken (1), Xavier van Elewyck (4), Yean Francaix (1), Charles Nicolas Baudiot (1), Lilli Lehmann (1), Prudent Louis Aubery du Boulley (1), Henri Brod (4), Nicolas P. Levasseur (1), Albert Guilmant (1), Felia Litvinne (2), Jean Berthelier (1), Giuditta Beltramelli (1), Anna Bishop (1), Emile Blauwaert (2), Henry Romagnesi (1), Joseph Guy-Ropartz (1), Albert Roussel (1), Georges Pfeiffer (1), Francis Planté (1), Emmanuel J. Francois Bazin (2), Marie Pleyel (4), Alfred Bruneau (1), Alex Batta (5), Raoul Pugno (2), Charles Hallè (1), Eduard de Hartog (2), A. L. Hettich (1), Aristide Hignard (1), Paul e Lucien Hillemacher (2), Henri Hirchmann (1), Philip Jarnach (1), Louis Jullien (2), Alfred Jung (1), Richard d’Ivry (3), Eugene Ketterer (3), Clotilde Kleeberg (1), Theodore Govuy (1), Felix Grenier (1), Albert Grisar (3), Jean Desiré Artot Montagney (1), Michael William Balfe (1), Francesco Barbieri (1), Charles Bovy-Lysberg (4), Henri Paul Busser (3), Frederic Hymen Cowen (2), 1 lettera scritta dal marito di Virginia Boccadati, 1 lettera di B. Ullmann in cui si da notizia di Marietta Alboni, 1 articolo manoscritto dedicato a Francois L. H. Monpou, 1 curriculum di Luiz de Freitas Branco, 1 lista relativa a Antonio Eduardo da Costa Ferreira.