> Mehrbändiges Werk
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Knights of the air by Ezra Bowen and the ed. of Time-Life Books
Alexandria, Va.: Time-Life Books, 1988
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The aeronauts by Donald Dale Jackson and the ed. of Time-Life-Books
Alexandria, Va.: Time-Life Books, 1981
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The pathfinders by David Nevin
Alexandria, Va.: Time-Life Books, 1980
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The aeronauts by Donald Dale Jackson and the ed. of Time-Life Books
Alexandria, Va.: Time-Life Books, 1980