- Archival materials (6)
- Collection descriptions (6)
- Correspondence (3)
- Drawings (3)
- Photographs (3)
- Clippings (2)
- Financial records (2)
- Publications (2)
- Reports (2)
- Black-and-white negatives (1)
- Certificates (1)
- Color slides (1)
- Manuals (1)
- Manuscripts (1)
- Negatives (1)
- Newsletters (1)
- Videotapes (1)
- Aeronautics (6)
- Aeronautics, Military (2)
- Aerial photography (1)
- Air travel (1)
- Aircraft industry (1)
- Airlines (1)
- Autogiros (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Grumman Aircraft Family (1)
- Herrick Vertaplane Family (1)
- Herrick rotary engine (1)
- Junkers W 33 Family (1)
- Junkers W 33b "Bremen" (1)
- Klemm L-20 "Yankee Doodle" (1)
- Periodicals (1)
- Test pilots (1)
- Transatlantic flights (1)
- Women in aeronautics (1)
- Women test pilots (1)
- World War, 1914-1918 (1)
Our collections specialists actively work on the conservation, preservation, restoration, and long-term care of the objects in our collection. From full-scale restoration projects to applying preservation techniques and doing regular assessments, these activities form a crucial part of our stewardship of the National Collection.