Unidentified photographer / artist, 1850, Camera, Book illustration, Google Books, LL/55604

1850, Hallmark on Daguerreotype plate, Daguerreotype, hallmark, Universiteit Leiden, Prentenkabinet, LL/52973

1850, Hallmark on Daguerreotype plate, Daguerreotype, hallmark, Museum Enschedé, LL/52965

1850, Fuller's Daguerreotype Polka" as played by the Druid Band. Composed and arranged for the Piano Forte by Sebastian Muller and respectfully dedicated to the patrons and visitors of Fuller's Daguerreotype Gallery., Sheet music, adjusted, Internet - Original source ill-defined, LL/60573

1850, Hallmark on Daguerreotype plate, Daguerreotype, hallmark, Museum Enschedé, LL/52964

1850, Cost of daguerreotype plates, Book page, Google Books, LL/49722

1850, Sheet music for Fuller's Daguerreotype Polka as played by the Druid Band. Composed and arranged for the Piano Forte by Sebastian Muller and respectfully dedicated to the patrons and visitors of Fuller's Daguerreotype Gallery., Sheet music, Private collection of Hans Gummersbach, LL/118104

Fontayne & Porter, 1850, Photograph of Cincinnati, Ohio waterfront, [Cincinnati Panorama], Photograph, card stock, Smithsonian National Postal Museum, LL/131170

Fredricks & Weeks, 1850, Architectural study of Recife, northern Brazil, Daguerreotype, CCA: Canadian Centre for Architecture, LL/64466

Jacquart & Deramond, 1850, Kitembo, dit Jean Bazar, Mu-Ngindo, Daguerreotype, Musée de l'Homme, LL/62095