1862
Mayer & Pierson, 1856
Mayer & Pierson, 1855
Mayer & Pierson, 1865
Mayer & Pierson, 1859
Mayer & Pierson, 1861
![A[chille] Fould.](https://media.getty.edu/iiif/image/9037ea28-b3b2-4f24-a456-7bf7b7b55b84/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)
![Cte [Camillo Benso di] Cavour (1810 - 1861)](https://media.getty.edu/iiif/image/78d482de-54cb-4f01-b222-f61f9d782362/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)
![[Unidentified woman standing]](https://media.getty.edu/iiif/image/c5040823-55c8-4d2d-8c78-642258a57974/full/843,/0/default.jpg)
![[Empress Eugenie of France]](https://media.getty.edu/iiif/image/3e75901c-baa3-4e90-b68a-f67dd4a77596/full/843,/0/default.jpg)
![[Unidentified little girl standing, elbow on top of a closed book on a table]](https://media.getty.edu/iiif/image/aa3bc343-f173-4d4a-b7d0-5fac3b0658ec/full/843,/0/default.jpg)