10. Marcelino Berthelot [?] Gerschel, 23 Boulevard de Capucines, Paris

10. Marcelino Berthelot [?] Gerschel, 23 Boulevard de Capucines, Paris, Box: 19. Genaro García Photograph Collection, 29763305. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/344824 Accessed September 26, 2026.