1860–1869
Unknown, 1950
Unknown, 1940
Unknown, 1920
Unknown, 1900
Unknown, 1850
Unknown, 1898
Unknown, 1861
Unknown, -300
Unknown, -549
Unknown, 2000
Unknown, 1386
Unknown, 1865
![[Man at water pump]](https://media.getty.edu/iiif/image/12dcdc9c-cf2c-4c86-9734-c8b8aa025d53/full/843,/0/default.jpg)
![[Two Unidentified Boxers in Ring, One Falling to Canvas]](https://media.getty.edu/iiif/image/8235e594-37bc-4113-b461-d6b16bf19f8b/full/843,/0/default.jpg)
![[Optical illusion]](https://media.getty.edu/iiif/image/77d75148-8f20-4a3f-b0fc-23a71a7d086f/full/843,/0/default.jpg)
![Over the River, Project for the Arkansas River, Colorado [top panel]](https://api.nga.gov/iiif/a265092c-7906-4e41-864f-6132f25bd385/full/843,/0/default.jpg)
