WELLMAN, Walter (1858-1934). The Aerial Age. A Thousand Miles by Airship Over the Atlantic Ocean. Airship voyages over the North Pole. New York: A.R. Keller & Co., 1911. 8vo. Numerous plates and illustrations. FIRST EDITION. -- BYRD, Richard Evelyn (1888-1957). Skyward. New York: G.P. Putnam's, 1928. 8vo. Frontispiece portrait, numerous photographic plates, one map. FIRST TRADE EDITION. -- WILKINS, George Hubert, Captain. Flying the Arctic. New York: G.P. Putnam's, 1928. 8vo. Frontispiece portrait, numerous half-tone plates. FIRST EDITION. -- NOBILE, Umberto. With the "Italia" to the North Pole. London: George Allen & Unwin, 1930. 8vo. Numerous photographic plates, 2 folding maps. -- NOBILE, Umberto (1885-1978). My Polar Flights. London: Muller, 1961. 8vo. Numerous illustrations. Publisher's cloth; original dust jacket. Translated from the first Italian edition. -- All in original publisher's cloth, condition generally fine.