[AERONAUTICS & BALLOONING]. A group of works, comprising: BARTHOU, M. Leon. Collection dite "Au ballon." Paris: Hotel Drouot, 1935. -- CAZENOVE, Raoul de. Premiers Voyages Aeriens. A Lyon en 1784. Lyon: Pitrat Aine, 1887. -- [LUFTWAFFE] HEYDEMARCK, Oberstleutnant. Doppeldecker C666. Berline: August Scherl G.M.B.H., 1913. -- MEYER, Alex. Die Luftschiffahrt in Kriegsrechtlicher Beleuchtung. Frankfurt: Gebruder Knauer, 1909. -- And 3 others. Together 7 volumes, 8vo and 4to, all in original printed wrappers, condition generally fine.