Gunn, Thomas Butler. "Diaries, Vol. 20." Diaries, Vol. 20. Missouri History Museum. (1862-1-1).
WORKS ABOUT - Halpine, Charles
Gunn, Thomas Butler. "Diaries, Vol. 22." Diaries, Vol. 22. Missouri History Museum. (1863-1-1).
Halpine, Charles G.. The Life and Adventures, Songs, Services, and Speeches of Private Miles O'Reilly. New York: Carleton. (1864-1-1).
"Literary Matters." New York Saturday Press. (1866-1-13).
"Notes of the Week." New-York Saturday Press. (1866-5-19).
Haynes, John Edward. Pseudonyms of Authors: Including Anonyms and Initialisms. New York. (1882-1-1).
Derby, J.C.. Fifty Years among Authors, Books and Publishers. New York: G. W. Carleton and Co. (1884-1-1).
G. J. M.. "Bohemianism: The American Authors Who Met in a Cellar." Brooklyn Eagle. (1884-5-25).
"Old 'Barry Gray' Dead." The New York World. New York. (1886-6-12).
"General gossip of authors and writers." Current Literature. (1888-1-1).
Wilson, James Grant and John Fiske. Appletons' Cyclopaedia of American Biography, Volume III, Grinnwell-Lockwood. New York: D. Appleton & Co. (1888-1-1).
"General gossip of authors and writers." Current Literature. (1888-1-1).
"People of Prominence." Pittsburgh Dispatch. Pittsburgh Dispatch. (1889-9-20).
Lukens, Henry Clay. "American Literary Comedians." Harper's New Monthly Magazine. (1890-4-1).
"In and about the City: Death of Charles I. Pfaff. Something about the Proprietor of the Once Famous "Bohemia."." New York Times. (1890-4-26).
"[Acute gastritis, which carried off Charles Pfaff last week]." Brooklyn Eagle. (1890-4-27).
Rawson, A. L.. "A Bygone Bohemia." Frank Leslie's Popular Monthly. (1896-1-1).
Hemstreet, Charles. Literary New York: Its Landmarks and Associations. New York: G.P. Putnam. (1903-1-1).
Paine, Albert Bigelow. Thomas Nast: His Period and His Pictures. New York: Macmillan. (1904-1-1).
Maurice, Arthur Bartlett. "Literary Clubland II: New York's Literary Clubs." The Bookman: A Review of Books and Life. (1905-6-1).