Browne, Junius Henri. The Great Metropolis; A Mirror of New York. Hartford: American Publishing, 1869.
"Appletons' Cyclopaedia of American Biography, Volume I, Aaron-Crandall." In Appletons' Cyclopaedia of American Biography, Volume I, Aaron-Crandall, edited by Wilson, James Grant and John Fiske. New York: D. Appleton & Co., 1888.
Watson, J. W. "Notes and Comments: How Artemus Ward Became a Great Lecturer." North American Review, April 1, 1889, 521-522.
Lukens, Henry Clay. "American Literary Comedians." Harper's New Monthly Magazine, April 1, 1890, 783-797.
"In and about the City: Death of Charles I. Pfaff. Something about the Proprietor of the Once Famous "Bohemia."." New York Times, April 26, 1890, 2.
Ford, James L. "New York's Bohemia: A Kingdom Which Still Exists, Although Pfaff's Restaurant is No More." The Philadelphia Inquirer, November 27, 1892, 14.
Twain, Mark. "A Private History of the 'Jumping Frog' Story." The North American Review, April 1, 1894, 446-453.
Howells, William Dean. "First Impressions of Literary New York." Harper's New Monthly Magazine, June 1, 1895, 62-74.
The Vault at Pfaff's