Leoncavallo, Ruggerio. "à Mr. Louis Bonade bien (amicalement) Genève 14.10.1905 R. Leoncavallo." Signed by the photographer: M. [Aordocoef]. 2 copies -- Embossed coat of arms is identical to the one on the unidentified photograph in number 10, 1910

Leoncavallo, Ruggerio. "à Mr. Louis Bonade bien (amicalement) Genève 14.10.1905 R. Leoncavallo." Signed by the photographer: M. [Aordocoef]. 2 copies -- Embossed coat of arms is identical to the one on the unidentified photograph in number 10, 1910, 8.5.3, Box: 5, Folder: 35.0. Daniel Bonade papers, 0010-SCPA. Michelle Smith Performing Arts Library. https://archives.lib.umd.edu//repositories/4/archival_objects/44868 Accessed May 14, 2024.