Union XII Corps

      General Joseph K. Mansfield                      General Henry Warner Slocum                General Alpheus S. Williams                     General John W. Geary


Battle of Antietam

History of the Twelfth Corps, Antietam

Source: Fox, William F. In Memoriam: Henry Warner Slocum. Albany, NY: J. B. Lyon, 1904. Also known as Slocum and His Men: The Twelfth Corps.