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Morgensen, Otto Peter
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Morris E. Fawcett, Dayton (Ohio)
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Moyer, Jeff
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M.P.
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M. Rol and Company, Paris
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M. Wolfe, Dayton (Ohio)
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National Advisory Committee for Aeronautics
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National Cash Register Company
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New York Evening Sun
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O. B. Batch
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O'Callahan, Bob
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Octave Chanute
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Octave Chanute, attributed
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Olinger, Robert
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Oliver, Mary
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Orville Wright
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Orville Wright, attributed
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Otto Haeckel, Berlin
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Overman
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Ovid Reeder
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