MSS. 187. 1862. 0.04 cubic feet: 2 items. Daily record (March 26-October 1, 1862), by a native of Quincy, Massachusetts, in the U.S. Army. Chiefly routine. Mentions the balloon several times. Also includes a furlough document.
Mississippi State University Libraries, "Derry (Horace A.) diary" (2019). Special Collections Finding Aids. 116.