- Report On European Aeronautical Laboratories: (with Eleven Plates); Volume 62
- The First Man-carrying Aeroplane Capable of Sustained Free Flight: Langley's Success as a Pioneer in Aviation Volume Copy I
- Aërial Navigation: A Popular Treatise On the Growth of Air Craft and On Aëronautical Meteorology
- A�rial Navigation; a Popular Treatise on the Growth of air Craft and on A�ronautical Meteorology
- The Resistance of the Air Determined at Speeds Below One Thousand Feet a Second, with Description of Two New Methods of Measuring Projectile Velocities Inside and Outside the Gun









