Unpublished manuscript of his "History of the 58th Regt. Illinois Infantry Volunteers From Sept. 1861 to April 1866" and a typewritten transcript of it; correspondence with members of the 58th Regiment, 1894-1905; clippings and pamphlets concerning the Civil War; manuscript essays by Spillard; and information on Brigadier General Robert W. Healy, Colonel William Lynch, and Daniel Joseph Spillard, CSC.