- Archival materials (11)
- Collection descriptions (11)
- Photographs (9)
- Clippings (6)
- Correspondence (6)
- Scrapbooks (4)
- Telegrams (3)
- Financial records (2)
- Articles (1)
- Biographies (1)
- Diaries (1)
- Glass negatives (1)
- Memoranda (1)
- Newspaper clippings (1)
- Pamphlets (1)
- Publications (1)
- Reports (1)
- Tickets (1)
- Aeronautics (11)
- Aeronautics, Military (6)
- Aeronautics, Commercial (4)
- Air pilots (3)
- World War, 1939-1945 (3)
- Flight training (2)
- Periodicals (2)
- Women air pilots (2)
- Aerial photography (1)
- Aerial reconnaissance (1)
- Aeronautics and state (1)
- African Americans in aeronautics (1)
- Aircraft industry (1)
- Airplane racing (1)
- Airplanes (1)
- Airports (1)
- Autogiros (1)
- Burgess Aircraft Family (1)
- Cold War (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Curtiss R3C-2 Racer (1)
- Douglas World Cruiser (DWC) (1)
- Endurance flights (1)
- Flights around the world (1)
- Kellett Autogiro Family (1)
- Lockheed U-2 Family (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- Photographic reconnaissance systems (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Railroad cars (1)
- Railroad travel (1)
- Seaplanes (1)
- Transatlantic flights (1)
- United States (1)
- Vin Fiz Special (train) (1)
- Waco 10 Family (Aircraft) (1)
- Women in aeronautics (1)
- Works of art (1)
- World War, 1914-1918 (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.