Twain, Mark. "'Mark Twain' on the Launch of the Steamer 'Capital' [from the Californian]." New York Saturday Press, December 30, 1865, 339-340.
Twain, Mark. "Samuel Langhorne Clemens to Jane Lampton Clemens and Pamela A. Moffett, 20 Jan 1866." Samuel Langhorne Clemens to Jane Lampton Clemens and Pamela A. Moffett, 20 Jan 1866 (1866).
Twain, Mark. "The Celebrated Jumping Frog of Calaveras County, and Other Sketches." In The Celebrated Jumping Frog of Calaveras County, and Other Sketches, edited by John Paul. New York: Charles Henry Webb, 1867.
Aldrich, Thomas Bailey. "Concerning a Bear: [part of a letter to Thomas Bailey Aldrich, Jan. 28, 1871]. By Mark Twain.." Pellet, April 18, 1872.
"Lotos Leaves: Original Stories, Essays and Poems." In Lotos Leaves: Original Stories, Essays and Poems, edited by Brougham, John and John Elderkin. Boston: William F. Gill and Company, 1875.
Aldrich, Thomas Bailey. "Photos, autograph material, poems associated with Mark Twain." Photos, autograph material, poems associated with Mark Twain (1882).
Howells, William Dean and Nathaniel Southgate Shaler and Mark Twain Harry Fenn. The Niagara Book: A Complete Souvenir of Niagara Falls. Buffalo: Underhill and Nichols, 1893.
Twain, Mark. "A Private History of the 'Jumping Frog' Story." The North American Review, April 1, 1894, 446-453.
Howells, William Dean and Mark Twain. "Mark Twain-Howells Letters: The Correspondence of Samuel L. Clemens and William D. Howells, 1872-1910." In Mark Twain-Howells Letters: The Correspondence of Samuel L. Clemens and William D. Howells, 1872-1910, edited by enry Nash Smith and William Merriam Gibson. Cambridge: Belknap Press of Harvard University Press, 1960.
Twain, Mark. "The Autobiography of Mark Twain." In The Autobiography of Mark Twain, edited by Charles Neider. New York: HarperCollins, 2000.
Twain, Mark. "The Adventures of Tom Sawyer." In The Adventures of Tom Sawyer, edited by H. Daniel Peck. New York: Barnes and Noble, 2003.
The Vault at Pfaff's