1870
Timothy H. O'Sullivan, 1873
Timothy H. O'Sullivan, 1870
Timothy H. O'Sullivan, 1863
Timothy H. O'Sullivan, 1862
Timothy H. O'Sullivan, 1871
Timothy H. O'Sullivan, 1874
![[Don Collins and his friends ashore at San Blas Bay, Darien Expedition]](https://media.getty.edu/iiif/image/1ecdb686-8098-4140-ba88-91e1f4ad82db/full/843,/0/default.jpg)
![[Heavy Artillery Cannon]](https://media.getty.edu/iiif/image/3ccb6086-40ac-41ab-b84c-7858daf3c5c7/full/843,/0/default.jpg)
![[Detachment of 50th N.Y. Volunteer Engineers, Pontoon Wagon and Saddle Boat]](https://images.metmuseum.org/CRDImages/ph/original/DP274822.jpg)
