Ceiling unlimited : the story of American aviation from Kitty Hawk to supersonics / by Lloyd Morris and Kendall Smith. Morris, Lloyd R., 1893-1954. Smith, Kendall, 1914- joint author. Aeronautics United States History. TL521 .M58 624.133 MOC Includes index. New York, Macmillan c1958. c1958. 1953 Text 417 p. : eng United States