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Books - Primary Sources
Battles and Leaders of the Civil War. Vols. 1-4. New York: Thomas Yoseloff, Inc., 1887.
Collins, George K. Memories of the 149th Regiment, New York Volunteer Infantry. Syracuse: Published by the author, 1891.
Fox, William F. In Memoriam: Henry Warner Slocum. Albany, NY: J. B. Lyon, 1904. Also known as Slocum and His Men: The Twelfth Corps. Full Text
Guernsey, Alfred H., & Alden, Henry M. Harper’s Pictorial History of the Great Rebellion. New York: Harper, 1868. Full Text
Howard, Oliver 0. Autobiography of Oliver Otis Howard. 2 vols. New York: Baker and Taylor Company, 1902.
Meade, George. The Life and Letters of George Gordon Meades, 1913. Full text
_____. With Meade at Gettysburg. Philadelphia: John C. Winston Company, 1930.
Morse, Charles F. Letters Written during the Civil War. Boston: T. R. Marvin and Son, 1898.
Quaife, Milo M. From the Cannon's Mouth: The Civil War Letters of General Alpheus S. Williams. Detroit: Wayne State University Press, 1959.
Slocum, Charles E. The Life and Services of Major-General Henry Warner Slocum. Toledo: Slocum Publishing, 1913. Full Text
Slocum, Henry W. Correspondence with Clara Slocum. Reprinted in Fox, In Memoriam, and Charles Slocum, Life and Services. Full Text
U.S. Congress. Report of the Joint Committee on the Conduct of the War at the Second Session, Thirty-Eighth Congress, Army of the Potomac, General Meade . ... Washington, D.C.: U.S. Government Printing Office, 1865.
U.S. War Department. U.S. Infantry Tactics. ... Philadelphia: J. B. Lippincott, 1862.
U.S. War Department. U.S. Infantry Tactics, or, Rules for the Exercise and Manoeuvres of the United States’ Infantry. Major-General Winfield Scott, U.S. Army. Vols. 1 and 2. New York: Harper & Bros., 1858.
U.S. War Department. Revised Regulations for the Army f the United States, 1861, 1863, by Authority of the War Department. Philadelphia: J. G. L. Brown, 1861, 1863.
U.S. War Department. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies. 128 vols. Washington, DC: GPO, 1881-1901. Series 1.
Articles - Primary Sources
Gibbon, John, Major-General, United States Volunteers. "The council of war on the second day." In Battles and Leaders of the Civil War, Vol. 4, Century Magazine, New York: Thomas Yoseloff, Inc., 1887, 313-314.
Greene, George S., Brevet-Major-General, United States Volunteers, "The breastworks at Culp's Hill, II." In Battles and Leaders of the Civil War, Vol. 3, Century Magazine, 1887, 317.
Howard, Oliver O. "To the Memory of Henry Slocum: A Eulogy by Oliver O. Howard." In Civil War Times Illustrated, ed. Thomas E. Hilton, 21, March 1982, 38-41.
Hunt, Henry J. (1886). The second day at Gettysburg. Century Magazine, 33, 278-295. Full Text
Hunt, Henry J. (1886). The third day at Gettysburg. Century Magazine, 33, 451-463. Full Text
Jones, Jesse H., Captain, 60th New York Volunteers, "The breastworks at Culp's Hill, I." In Battles and Leaders of the Civil War, Vol. 3, Century Magazine, 1887, 316-317.
Oakey, Daniel, Captain, 2d Massachusetts Volunteers, "Marching through Georgia and the Carolinas." In Battles and Leaders of the Civil War, Vol. 4, Century Magazine, New York: Thomas Yoseloff, Inc., 1887, 671-679. Full Text
Newspapers - Primary Sources
Frank Leslie's Weekly. 1861-1865.
Harper's Weekly. 1864-1902.
New York Tribune. 1865-1866. In the Slocum Biographic Clippings File, OHA.
Onondaga Standard. (After 1880, Syracuse Daily Standard.) 1856-1902. In the Slocum Biographic Clippings File, OHA.
Collections and Manuscript Repositories
Brooklyn Historical Society, Brooklyn, New York.
Gettysburg National Military Park (GNMP) Archives, Gettysburg, Pennsylvania.
Library of Congress, Washington, DC.
National Archives and Records Administration (NARA), College Park, MD.
New York Historical Society Collections, New York (NYHS).
United States Military History Institute, Carlisle, Pennsylvania.
"Letter concerning Slocum's status after Bull Run." Veterans Records for Henry Warner Slocum. National Archives.
Bandy, Ken, and Florence Freeland. The Gettysburg Papers. 3 vols. Dayton: Morningside, 1978.
Bates, Samuel P. The Battle of Gettysburg. Philadelphia: T. H. Davis, 1875.
Beers, Paul. "A Profile of John W. Geary." Civil War Times Illustrated 9, no. 3 (June 1870): 11-13.
Bertholf, G. D. "The 12th Corps at Gettysburg." National Tribune, 11 May 1893.
Boatner, Mark M., III. Civil War Dictionary. New York: David McKay Company, 1959.
Busey, John W., and David G. Martin. Regimental Strengths and Losses at Gettysburg. Hightstown, N.J.: Longstreet House, 1986.
Coddington, Edwin B. The Gettysburg Campaign. Dayton: Morningside, 1879.
Company C, 7th Ohio Volunteer Infantry. "Geary at Gettysburg." Philadelphia Weekly Press, 24 February 1886.
Duyckinck, Evert A. National History of the War for the Union, Civil, Military and Naval. New York: Johnson, Fry, c. 1865. Full Text
Eicher, John H., and David J. Eicher. Civil War High Commands. Stanford, CA: Stanford University Press, 2001.
Elmore, Thomas J. "Courage against the Trenches: The Attack and Repulse of Steuart's Brigade on Gulp's Hill." Gettysburg Magazine, 1 July 1992.
Gallagher, Gary W., ed. Chancellorsville: The Battle and Its Aftermath. Chapel Hill: University of North Carolina Press, 1996.
Gallagher, Gary W., ed. The Second Day at Gettysburg: Essays on Confederate and Union Leadership. Kent, Ohio: Kent State University Press, 1993.
Heidler, David S., and Heidler, Jeanne T., eds., Encyclopedia of the American Civil War: A Political, Social, and Military History. W. W. Norton & Company, 2000.
Howard, William F. The Gettysburg Death Roster: The Federal Dead at Gettysburg. Dayton: Morningside, 1990.
Johnson, Allen, and Dumas Malone, eds. Dictionary of American Biography. 20 vols. New York: Charles Scribner's Sons, 1928-36.
Krick, Robert K. The Gettysburg Death Roster. Dayton: Morningside, 1981.
Lumbard, J. A. "Geary at Gettysburg." National Tribune, 17 March 1886.
Martin, David G. Gettysburg, July 1. Conshohocken, Pennsylvania: Combined Books, 1995.
Meade, George G., Jr. The Life and Letters of George Gordon Meade. 2 vols. New York: Charles Scribner's Sons, 1913.
Melton, Brian C. Sherman's Forgotten General: Henry W. Slocum. Columbia, Missouri: University of Missouri Press, 2007.
Milano, Anthony. "A Call of Leadership: Lt. Col. Charles Redington Mudge, USV, and the Second Massachusetts Infantry at Gettysburg." Gettysburg Magazine, 1 January 1992.
Miller, J. Clyde. "At Gettysburg." National Tribune, 22 September 1893.
Morse, Charles F. History of the Second Massachusetts Regiment of Infantry. Boston: George H. Ellis, 1882.
_____."The Twelfth Corps at Gettysburg." In The Gettysburg Papers, edited by Ken Bandy and Florence Freeland, 1:819-40.
New York Monuments Commission for the Battlefields of Gettysburg and Chattanooga. Final Report of the Battlefield of Gettysburg. 3 vols. Albany: J. B. Lyon Company, 1902.
_____. In Memorium, George Sears Greene. Albany: J. B. Lyon Company, 1909.
_____. In Memorium, Henry Warner Slocum. Albany: J. B. Lyon Company, 1904.
Nicholson, John P. Pennsylvania at Gettysburg. 2 vols. Harrisburg: William Stanley Ray, State Printer, 1904.
Pfanz, Harry W. Gettysburg: Culp's Hill and Cemetery Hill. Chapel Hill: University of North Carolina Press, 1993.
Pfanz, Harry W. Gettysburg: The First Day. University of North Carolina Press, 2001.
Powell, Eugene. "Rebellion's High Tide: The Splendid Work on Culp's Hill by the 12th Corps." National Tribune, 5 July 1900.
Quint, Alonzo H. The Record of the Second Massachusetts Infantry, 1861-1865. Boston: James P. Walker, 1867.
Sauers, Richard Allen. The Gettysburg Campaign, June 3-August 1, 1863: A Comprehensive Bibliography. Westport, Conn.: Greenwood Press, 1982.
Tenney, W. J. History of the Rebellion in the United States. New York: Appleton, 1866. Full Text
Tinkom, Harry Marlin. John White Geary, Soldier-Statesman. Philadelphia: University of Pennsylvania Press, 1940.
U.S. Department of the Army. The Medal of Honor of the United States Army. Washington, D.C.: U.S. Government Printing Office, 1944.
Wakelyn, Jon L. Biographical Dictionary of the Confederacy. Westport, Conn.: Greenwood Press, 1977.
Warner, Ezra J. Generals in Blue: Lives of Union Commanders. Baton Rouge: Louisiana State University Press, 1964.
Whittier, Edward N. "The Left Attack (Ewell's) at Gettysburg." In The Gettysburg Papers, edited by Ken Bandy and Florence Freeland, 2:757-94.
Wilson, James Grant, & Fiske, John (Eds.). Appleton's Cyclopaedia of American Biography, Vol. 1. New York: Appleton, 1888.
Wilson, Lawrence. "Charge up Culp's Hill." Washington Post, 9 July 1899.
Young, Jesse B. The Battle of Gettysburg: A Comprehensive Narrative. New York: Harper and Brothers, 1913.
Zollinger, William P., Lamar Holliday, and D. R. Howard. "General George H. Steuart's Brigade at the Battle of Gettysburg." Southern Historical Society Papers 2 (1876): 105-7.