History of the 18th Regiment Infantry, "Duquesne Greys" Organized 1831 ... National Guard of Pennsylvaniaby Pennsylvania. 18th regt., 1831-1901
History of the 18th Regiment Infantry, "Duquesne Greys" Organized 1831 ... National Guard of Pennsylvaniaby Pennsylvania. 18th regt., 1831-1901