1869
Mayer & Pierson, 1856
Mayer & Pierson, 1865
Mayer & Pierson, 1862
Mayer & Pierson, 1853
Mayer & Pierson, 1860
Mayer & Pierson, 1870
![P[rin]ce Gerome](https://media.getty.edu/iiif/image/c864a30b-f34c-442c-a242-8fa4ed39766c/full/843,/0/default.jpg)
![Congres de Paris. Photographies de Mayer Fres. & Pierson, Photographes de S.M. L'Empereur. (cover title) [Portraits]](https://media.getty.edu/iiif/image/ec8c5d9f-42a3-47d5-8fd7-18b9eded5839/full/843,/0/default.jpg)
![Baron de Brunow [sic]](https://media.getty.edu/iiif/image/70b85523-131d-447b-9f0d-a39f3c4276e7/full/843,/0/default.jpg)
![[Portrait of Count Alexandre Colonna-Walewski, Minister to Napoleon III]](https://media.getty.edu/iiif/image/f7756e8f-8306-417d-82e7-6196ec0e4131/full/843,/0/default.jpg)
![Mlle [Adelina] Patti [Marchioness de Caux. Signora Nicolini Baroness Cederstrom, 1843 - 1919]](https://media.getty.edu/iiif/image/ee0b31bf-d8d0-4822-a80e-4a378d763319/full/843,/0/default.jpg)
![A[chille] Fould.](https://media.getty.edu/iiif/image/9037ea28-b3b2-4f24-a456-7bf7b7b55b84/full/843,/0/default.jpg)
![[Cartes-de-visite album of French actors, actresses, and dancers]](https://media.getty.edu/iiif/image/c20aa780-feb5-4ec4-9f6d-aeac0071ee11/full/843,/0/default.jpg)
![[Unidentified woman standing]](https://media.getty.edu/iiif/image/c5040823-55c8-4d2d-8c78-642258a57974/full/843,/0/default.jpg)
![[Maurice] Rouvier (1842 - 1911)](https://media.getty.edu/iiif/image/0004cd62-a59b-4e92-8c64-1b9054a8f52f/full/843,/0/default.jpg)