Virginia Ferni by Le Lieure Carolina Ferni by Sidoli (1) with autograph Louis Barrielle by Constantin Louis Barrielle by Disdéri Minnie Hauk by Unknown Minnie Hauk by Schaarwächter Minnie Hauk by Reutlinger Anna de Belocca by Reutlinger (2) Anna de Belocca's autograph at the back Anna de Belocca by Reutlinger (1) Jenny Lind by Hansen (2) Jenny Lind by Bieber Jenny Lind by Hansen (1) Enrico Tamberlick by Nadar (1) Achille Tamberlick by Robillard Enrico Tamberlick by Mayer & Pierson (2) Carlotta Marchisio by Trinquart Barbara and Carlotta Marchisio by Disdéri (1) Barbara Marchisio by Trinquart Barbara Marchisio by Mieczkowski Barbara Marchisio's autograph at the back Carlotta Marchisio by Bergamasco with autograph Leopold Matuszynski by Sachowicz Carolina Ferni by Le Lieure Jules-Sébastien Montjauze by Bureau (1) Jules-Sébastien Montjauze by Bureau (2) Jules-Sébastien Montjauze by Maze Nicolas-Jean-Jacques Masset by Petit Enrico delle Sedie by Nadar Charles Louis Pubereaux (Sainte Foy) by Bingham Elisa Wiborg by Waldemar Dahllöf Marianne Brandt's autograph at the back Marianne Brandt by Unknown Pauline Lucca by Graf (1) with autograph Pauline Lucca by Krause Pauline Lucca by Graf (2) with autograph Karoline Tellheim by Székely Karoline Tellheim by Luckhardt Adelina Patti by Ken Albert Niemann by Loescher & Petsch Albert Niemann by Luckhardt Theodor Wachtel by Levinthal Marie Geistinger by Mahlknecht (1) Marie Geistinger by Mahlknecht (2) Marie Geistinger by Luckhardt