Moszkowski, Moritz. "á mon cher Camarade Louis Bonade, a un vrai artiste --à un joyeux compagnon, en très affechieuse amitié." [signed?]. Genève -- Embossed coat of arms is the same as the one on the photograph of Leoncavallo, 1906

Moszkowski, Moritz. "á mon cher Camarade Louis Bonade, a un vrai artiste --à un joyeux compagnon, en très affechieuse amitié." [signed?]. Genève -- Embossed coat of arms is the same as the one on the photograph of Leoncavallo, 1906, 8.5.5, Box: 5, Folder: 37.0. Daniel Bonade papers, 0010-SCPA. Michelle Smith Performing Arts Library. https://archives.lib.umd.edu//repositories/4/archival_objects/44870 Accessed May 13, 2024.