- Archival materials (52)
- Collection descriptions (52)
- Correspondence (29)
- Clippings (16)
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- Aeronautics (50)
- Aeronautics, Military (22)
- Air pilots (10)
- Periodicals (10)
- Airlines (9)
- Aircraft industry (7)
- Airplanes (7)
- Women in aeronautics (6)
- World War, 1939-1945 (6)
- Air mail service (5)
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- Women air pilots (5)
- World War, 1914-1918 (5)
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- Airships (4)
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- Aeronautical engineers (2)
- Aeronautics and state (2)
- African American air pilots (2)
- Airplane racing (2)
- Boeing Model 377 Stratocruiser Family (2)
- Burgess Aircraft Family (2)
- Curtiss Condor Family (2)
- Gliding and soaring (2)
- Helicopters (2)
- Railroad travel (2)
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- Aerial reconnaissance (1)
- Aero Spacelines Guppy Family (1)
- Aeronautical instruments (1)
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- Bell P-39 Airacobra Family (1)
- Bell P-59 Airacomet Series (1)
- Bell P-63 Kingcobra Family (1)
- Bell YFM-1 Airacuda (1)
- Bleriot XI Family (1)
- Boeing 727 Family (1)
- Boeing 747SP (747-100SP) (1)
- Boeing B-29 Superfortress (1)
- Boeing B-52 Stratofortress Family (Model 464) (1)
- Boeing C-97 Stratofreighter Family (Model 367) (1)
- Burgess-Wright Aircraft Family (1)
- Cartography (1)
- Cessna 205 (1)
- Christofferson Aircraft Family (1)
- Cold War (1)
- Cooke Aircraft Family (1)
- Curtiss CD-12 (engine) (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss JN-4Can Canuck (1)
- Curtiss Kingbird Family (Model 55) (1)
- Curtiss Model H "America" (H-1) (1)
- Curtiss Pusher R (1)
- Curtiss R-1454 (engine) (1)
- Curtiss Robin Family (1)
- Curtiss V-1400 (engine) (1)
- Deperdussin Aircraft Family (1)
- Diamond mines and mining (1)
- Dornier Do J Wal (Whale)(Do 16) (1)
- Douglas DC-4 (1)
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- Douglas DC-9 Family (1)
- Fighter pilots (1)
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- Ford Tri-Motor Family (1)
- Gallaudet Type C Military Tractor Biplane Family (1)
- Gliders (1)
- Grumman Aircraft Family (1)
- Harmon International Trophy (1)
- Heinrich (Aeroplane Co) 1915 Model C Monoplane (1)
- Heinrich (Aeroplane Co) 1915 Model E Family Military Tractor Biplane (1)
- Helicopter transportation (1)
- Huntington (CT) Aircraft Family (1)
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- Junkers W 33b "Bremen" (1)
- Kellett Autogiro Family (1)
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- Kites (1)
- Klemm L-20 "Yankee Doodle" (1)
- Korean War, 1950-1953 (1)
- Langley Aerodrome A, Curtiss 1914 Rebuild (1)
- Local service airlines (1)
- Lockheed U-2 Family (1)
- Martin B-26 Marauder Family (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- Moisant (Monoplane Co) 1914 Bluebird Monoplane (1)
- Naval Aircraft Factory Aircraft Family (1)
- Photographic reconnaissance systems (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Radio (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.