HAYDON, F[rederick] Stansbury. Aeronautics in the Union and Confederate Armies with a Survey of Military Aeronautics Prior to 1861. Vol. 1. {all published]. Baltimore: The Johns Hopkins Press, 1941. 1st ed. xxii, 421 pp. Illus. (some folding), portraits, map. Orig. cloth. Cloth lightly scuffed, else a very good copy. "A.....