Dyer, Frederick H. A Compendium of the War of the Rebellion, Vol. III, 1959.
Copestick, Paula. Research on Lyman H. Hothckiss.
Gerould, Otis Gibson. Diary of Otis Gibson Gerould (1830-1918). January 1, 1862-February 11, 1863.
Unknown. Death of Gen. Palmer a noted Delawarean : organized a Cavalry Regiment and served throughout the Civil War, ws a native of this state, and was a substantial benefactor of the Old Folks Home at the Capital. ND.
John Franklin Rankin: 34 photographs of Volunteers from the 78th Pennsylvania: