- Collection descriptions (18)
- Correspondence (7)
- Publications (5)
- Clippings (4)
- Reports (4)
- Manuscripts (3)
- Scrapbooks (3)
- Articles (2)
- Color slides (2)
- Financial records (2)
- Maps (2)
- Notes (2)
- Postcards (2)
- Stereoscopic photographs (2)
- Audiotapes (1)
- Black-and-white negatives (1)
- Business records (1)
- Cartes-de-visite (1)
- Color negatives (1)
- Diaries (1)
- Logs (records) (1)
- Newspaper clippings (1)
- Philately (1)
- Press releases (1)
- Woodcuts (1)
- Airships (5)
- Aeronautics, Commercial (4)
- Aeronautics, Military (4)
- Aerial photography (2)
- Civil War, 1861-1865 (2)
- Gliding and soaring (2)
- Kites (2)
- Periodicals (2)
- Aeronautical instruments (1)
- Air defenses (1)
- Airplanes (1)
- Astronautics (1)
- Atmosphere, Upper (1)
- Balloon gases (1)
- Balloonists (1)
- Balloons, Sounding (1)
- Buffalo (Airship) (1)
- Ganymede (Airship) (1)
- Great Western (Airship) (1)
- Infrared spectroscopy (1)
- Infrared telescopes (1)
- Kinetic art (1)
- Langley Aerodrome No 5 (1895-96) (1)
- Madame Carlotta (Airship) (1)
- Meteorology (1)
- Meterologists (1)
- Mt. Lowe Railway (1)
- Parachutes (1)
- Phantom Balloons (Airships) (1)
- Photography (1)
- Railroads (1)
- Rocketry (1)
- Rockets (Aeronautics) (1)
- Rockets, Sounding (1)
- Russo-Japanese War, 1904-1905 (1)
- South African War, 1899-1902 (1)
- Spanish-American War, 1898 (1)
- Stratolab Program (1)
- Stratoscope II (1)
- The Aerial (Airship) (1)
- Travel (1)
- Vertically rising aircraft (1)
- Works of art (1)
- World War, 1914-1918 (1)
- World War, 1939-1945 (1)