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  1. Secrets of Polar Travel
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    Robert E. Peary
  2. The Migration of North American Birds (1935)

    Frederick Charles Lincoln

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  3. Migration of Birds (1979)

    Frederick Charles Lincoln

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    Frederick Charles Lincoln
  4. Matthew Fontaine Maury, the Pathfinder of the Seas
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  5. A Lost Chapter in the History of the Steamboat
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  6. Geography of the Air

    A. W. Greely

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    A. W. Greely
  7. Aeroplane Construction and Operation

    Yazar Bilinmiyor

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  8. Christopher Columbus
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    Joachim Heinrich Campe
  9. Américo Vespucio
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    G. Pérez Gomar
  10. Allen's West London Street Directory, 1868
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  11. Lighthouses and Lightships
A Descriptive and Historical Account of Their Mode of Construction and Organization

    W. H. Davenport Adams

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  12. The Gyroscopic Compass: A Non-Mathematical Treatment
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  13. Keely and His Discoveries: Aerial Navigation

    Mrs. Bloomfield H. Moore

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  14. Boat Sailing in Fair Weather and Foul, 6th ed.
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