1860–1869
Pierre Louis Pierson, 1860
Pierre Louis Pierson, 1861
Pierre Louis Pierson, 1875
Pierre Louis Pierson, 1868
![[La Comtesse with Group on a Rocky Beach]](https://images.metmuseum.org/CRDImages/ph/original/DP235186.jpg)
![[Album page with ten photographs of La Comtesse mounted recto and verso]](https://images.metmuseum.org/CRDImages/ph/original/DT10614.jpg)
![[Countess de Castiglione as Elvira at the Cheval Glass]](https://images.metmuseum.org/CRDImages/ph/original/DP158941.jpg)
![[La Comtesse]](https://images.metmuseum.org/CRDImages/ph/original/DP232228.jpg)
![[M.] Schneider](https://media.getty.edu/iiif/image/db2de8d5-9dd5-4ca0-88b3-a199332fc7da/full/843,/0/default.jpg)