- Portrait photograph of Samuel Clemens, 1883.
- The Adventures of Tom Sawyer (London, 1876).
- Articles of Agreement between Charles L. Webster and Samuel Clemens, 1885.
- Adventures of Huckleberry Finn (New York, 1885).
- “Exploring the cave.” Original artwork by E. W. Kemble for Adventures of Huckleberry Finn.
- Autograph letter signed by Samuel Clemens to Charles L. Webster, September 20, 1884.
- "The River, the Up-Stream Boat, and the Night Sky." Portfolio illustration by Barry Moser for Adventures of Huckleberry Finn (West Hatfield, 1985).