- Correspondence (12)
- Drawings (8)
- Photographs (8)
- Publications (6)
- Manuscripts (3)
- Reports (3)
- Clippings (2)
- Diaries (2)
- Ephemera (2)
- Logs (records) (2)
- Motion pictures (visual works) (2)
- Newspaper clippings (2)
- Scrapbooks (2)
- Telegrams (2)
- Videotapes (2)
- Audiotapes (1)
- Legal documents (1)
- Maps (1)
- Negatives (1)
- Pamphlets (1)
- Photographic prints (1)
- Technical manuals (1)
- Timetables (1)
- Aeronautics, Commercial (8)
- Periodicals (6)
- Aircraft industry (4)
- Aeronautics, Military (2)
- Airlines (2)
- Aerial photography (1)
- Aeronautical engineers (1)
- Air mail service (1)
- Airplanes (1)
- Airports (1)
- Apollo Project (1)
- Autogiros (1)
- Avionics (1)
- Bellanca WB-2 "Miss Columbia" (1)
- Burgess Aircraft Family (1)
- Collective bargaining (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Discrimination in employment (1)
- Fighter pilots (1)
- Gemini Project (1)
- Gliding and soaring (1)
- Helicopter transportation (1)
- Helicopters (1)
- Kellett Autogiro Family (1)
- McDonnell F-4 (F4H) Phantom II Family (1)
- Mercury Project (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- Patent suits (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Project Apollo (U.S.) (1)
- Radar air traffic control systems (1)
- Railroad cars (1)
- Railroad travel (1)
- SPAD XIII (S.13) "Smith IV" (1)
- Saturn 5 Launch Vehicle (1)
- Transatlantic flights (1)
- Trophies (1)
- Vin Fiz Special (train) (1)
- Waco 10 Family (Aircraft) (1)
- Works of art (1)
- Wright (Co) Model EX "Vin Fiz" (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.