Books by Albert Francis Zahm (1862~1954)
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Aƫrial Navigation: A Popular Treatise on the Growth of Air Craft and on Aƫronautical Meteorology
The First Man-Carrying Aeroplane Capable of Sustained Free Flight: Langley's Success as a Pioneer in Aviation: From the Smithsonian Report for 1914, pages 217-222, Publication 2329, 1915