Karl and Theodor Formes by Lehmann Alois Ander by Angerer Giovanni Zucchini by Mayer & Pierson Emma Albani by Nadar (1) (NOT) Emma Albani by Nadar (2) Adelina Patti by Wesenberg Adelina Patti by Mayer & Pierson Adelina Patti by Hallier Adelina Patti by Southwell Angelo Masini by Wesenberg Roberto Stagno by Fiedler Italo Campanini by Stereoscopic Marietta Alboni by Gurney Marietta Alboni by Disdéri (5) Marietta Alboni by Disdéri (4) Marietta Alboni by Disdéri (3) Marietta Alboni by Disdéri (2) Marietta Alboni by Disdéri (1) Marie Schröder by Erwin Hanfstaengl (2) Marie Schröder by Erwin Hanfstaengl (1) Léocadie Lemercier by Pierson Léocadie Lemercier by Radoult Vaury Marie Cabel by Mayer & Pierson Emilio Pancani by Ken Emilio Naudin by Trinquart Rita Bernardi-Fabbrica by Bergamasco Virginia Whiting Lorini by (not readable) Giuseppina Vitali-Augusti by Reutlinger Enrico Tamberlick by Gurney Enrico Tamberlick by Mayer & Pierson (1) Enrico Tamberlick by Bergamasco (2) Marie Caroline Miolan-Carvalho by Petit (1) Marie Caroline Miolan-Carvalho by Bacard Marie Caroline Miolan-Carvalho by Reutlinger Pierre-Jules Michot by Carjat Pierre-Jules Michot by Disdéri Pierre-Jules Michot by Petit José Dupuis by Numa Fils José Dupuis by Gaston & Mathieu José Dupuis by Carjat Edouard de Reszke by Pollock Jean de Reszke by Benque Jean-Baptiste Faure by Reutlinger (1) Jean-Baptiste Faure by Numa Blanc (2) Jean-Baptiste Faure by Numa Blanc (1)