- Archival materials (117)
- Collection descriptions (117)
- Correspondence (59)
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- Aeronautics (112)
- Aeronautics, Military (44)
- Periodicals (26)
- Airplanes (23)
- Aircraft industry (19)
- Airlines (15)
- Air pilots (13)
- Women in aeronautics (9)
- World War, 1939-1945 (9)
- Air mail service (8)
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- Flight training (8)
- Airships (7)
- Women air pilots (7)
- World War, 1914-1918 (7)
- Airports (6)
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- Aeronautics and state (5)
- Balloons (4)
- Aeronautical engineers (3)
- African American air pilots (3)
- Astronautics (3)
- Gliding and soaring (3)
- Helicopters (3)
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- de Havilland (Airco) D.H.4 (3)
- Aerodynamics (2)
- Aeromarine Aircraft Family (2)
- Aeronautical instruments (2)
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- Bleriot XI Family (2)
- Boeing Model 377 Stratocruiser Family (2)
- Burgess Aircraft Family (2)
- Concorde (Jet transports) (2)
- Concorde, Production Airframe (2)
- Curtiss Condor Family (2)
- Deperdussin Aircraft Family (2)
- Fighter pilots (2)
- Flight attendants (2)
- Ford Tri-Motor Family (2)
- High-speed aeronautics (2)
- Jet propulsion (2)
- Local service airlines (2)
- Martin Model 130 Clipper (2)
- Radio (2)
- Radio in aeronautics (2)
- Railroad travel (2)
- Seaplanes (2)
- Supersonic transport planes (2)
- Tupolev Tu-144 Charger Family (2)
- Aerial reconnaissance (1)
- Aero Spacelines Guppy Family (1)
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- Aeronca C-1 Cadet (1)
- African American women air pilots (1)
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- Beech 17 Staggerwing, General (1)
- Bell P-39 Airacobra Family (1)
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- Bell YFM-1 Airacuda (1)
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- Boeing KC-97L Stratofreighter (1)
- British Aerospace Jetstream Family (1)
- Budd RB-1 Conestoga (1)
- Burgess-Wright Aircraft Family (1)
- Burnelli (Uppercu-Burnelli) X-3 (GX-3)(Guggenheim Prize) (1)
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- Consolidated PBY-5 Catalina (1)
- Continental Inc Airphibian Family (1)
- Convair T-29 Family (1)
- Cooke Aircraft Family (1)
- Curtiss A-4 (AH-4) (1)
- Curtiss CD-12 (engine) (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.