Otis family papers
Additional Descriptive Data
Martin, James M. History of the Fifty-Seventh Regiment, Pennsylvania Veteran Volunteer Infantry: First Brigade, First Division, Third Corps, And Second Brigade, Third Division, Second Corps, Army of the Potomac. Meadville, Pa.: McCoy & Calvin, printers, 1904.
Nelson, A.H. The Battles of Chancellorsville And Gettysburg. Minneapolis, Minn.: The author, 1899.