Ethell, Jeffrey L. Smithsonian frontiers of flight / [electronic resource] / Jeffrey L. Ethell.. — 1st ed.. — Washington, D.C. : New York : : Smithsonian Books ; : Orion Books,, c1992.. — 256 p. : : ill. (some col.)
"... series of flying machines exemplified by those held within the collections of the Smithsonian Institution's National Air and Space Museum"--Introd. Includes index. Reflects the title and structure of the television series: Frontiers of Flight.