- Photograph of John Burroughs, 186-?
- Notes on Walt Whitman as Poet and Person by John Burroughs, 1867.
- Inscribed Leaves of Grass from Walt Whitman to John Burroughs, 1871.
- Photograph of Walt Whitman by Frederick Gutekunst, 1873?
- “Dirge for Two Veterans,” set to music by Frederic Louis Ritter, and dedicated to John Burroughs, 1880.
- John Burroughs Journal, 1883.