the World. New York: Gallery Books, 1986. . Stoff, Joshua. Transatlantic Flight: A Picture History, 1873–1939. Mineoloa, New York: Dover publications, Inc., 2000. . Swanborough, F. Gordon and Peter M. Bowers. United States Military Aircraft since 1909. London: Putnam, 1963. Wendell, David V. "Getting Its Wings: Chicago as the Cradle of Aviation in America." Journal of the Illinois State Historical Society, Volume 92, No. 4, Winter 1999/2000, pp. 339–372. Will, Gavin. The Big Hop: The North Atlantic Air Race. Portugal Cove-St.Phillips, Newfoundland: Boulder Publications, 2008. . Yenne, Bill. Seaplanes & Flying Boats: A Timeless Collection from Aviation's Golden Age. New York: BCL Press, 2003. . External links The Douglas World Cruiser – Around the World in 175 Days The National Archives: Magellans of the Sky USAF Museum: World Flight Chronicle Santa Monica Museum of Flying Chasing the Sun: Douglas Aircraft, PBS documentary 1924 in aviation 20th-century history of the United States Air Force Circumnavigations