- Archival materials (33)
- Collection descriptions (33)
- Correspondence (19)
- Scrapbooks (18)
- Publications (6)
- Logs (records) (5)
- Articles (4)
- Ephemera (4)
- Certificates (3)
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- Financial records (2)
- Maps (2)
- Postcards (2)
- Programs (2)
- Advertisements (1)
- Biographies (1)
- Cartoons (humorous images) (1)
- Diaries (1)
- Letters (1)
- Motion pictures (visual works) (1)
- Notes (1)
- Pamphlets (1)
- Speeches (1)
- Telegrams (1)
- Tickets (1)
- Timetables (1)
- Aeronautics (32)
- Aeronautics, Commercial (16)
- Aeronautics, Military (11)
- Air pilots (9)
- Aircraft industry (5)
- World War, 1914-1918 (5)
- Women in aeronautics (4)
- Air mail service (3)
- Flight training (3)
- Women air pilots (3)
- World War, 1939-1945 (3)
- Aerial reconnaissance (2)
- Air defenses (2)
- Air travel (2)
- Airlines (2)
- Airplane racing (2)
- Airplanes (2)
- Airports (2)
- Airships (2)
- Automobile racing (2)
- Balloons (2)
- Burgess Aircraft Family (2)
- Cold War (2)
- Periodicals (2)
- Radio in aeronautics (2)
- Transatlantic flights (2)
- Aerial photography (1)
- Aero Club of America Medal (1)
- Aeronautical engineers (1)
- Aeronautical instruments (1)
- Aeronautics and state (1)
- Aeronautics in art (1)
- African Americans in aeronautics (1)
- Albatros D.Va (L24) (1)
- Arctic medicine (1)
- Asylum, Right of (1)
- Autogiros (1)
- Aviation medicine (1)
- Boeing B-29 Superfortress (1)
- Bombing, Aerial (1)
- Burgess-Wright Aircraft Family (1)
- Cessna 205 (1)
- Courts-martial and courts of inquiry (1)
- Curtiss Condor Family (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss Model H "America" (H-1) (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Ford Tri-Motor Family (1)
- Helicopter transportation (1)
- Helicopters (1)
- Jet propulsion (1)
- Junkers W 33 Family (1)
- Junkers W 33b "Bremen" (1)
- Kellett Autogiro Family (1)
- Klemm L-20 "Yankee Doodle" (1)
- Langley Aerodrome A, Curtiss 1914 Rebuild (1)
- Licenses (1)
- Lockheed U-2 Family (1)
- MIG (Fighter planes) (1)
- Martin B-26 Marauder Family (1)
- MiG MiG -15 (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- Naval aviation (1)
- Photogrammetrists (1)
- Photogrammetry (1)
- Photographic reconnaissance systems (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Pitts S-1 Special (1)
- Pitts aircraft (1)
- Radio (1)
- Railroad travel (1)
- Remote sensing (1)
- Rescue dogs (1)
- Rescue work (1)
- Rescues (1)
- Seaplanes (1)
- Stunt flying (1)
- Transpacific flights (1)
- Travel Air aircraft family (1)
- USS Los Angeles ( ZR-3) (1)
- United States (1)
- Waco 10 Family (Aircraft) (1)
- Wiseman-Peters #2 Biplane (1910) (1)
- Works of art (1)
- Wright (Brothers) 1903 Flyer (1)
- ZR-1 Shenandoah (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.