- Collection descriptions (37)
- Correspondence (21)
- Clippings (15)
- Publications (10)
- Maps (7)
- Diaries (5)
- Ephemera (4)
- Financial records (3)
- Advertisements (2)
- Audiotapes (2)
- Brochures (2)
- Drawings (2)
- Logs (records) (2)
- Manuscripts (2)
- Programs (2)
- Tickets (2)
- Blueprints (1)
- Business cards (1)
- Business records (1)
- Cartoons (humorous images) (1)
- Certificates (1)
- Charts (1)
- Lectures (1)
- Newsletters (1)
- Newspaper clippings (1)
- Newspapers (1)
- Notes (1)
- Pamphlets (1)
- Postcards (1)
- Printed material (1)
- Scripts (documents) (1)
- Slides (photographs) (1)
- Speeches (1)
- Video recordings (1)
- Aeronautics (35)
- Aeronautics, Commercial (14)
- Aeronautics, Military (11)
- Air pilots (10)
- Periodicals (9)
- World War, 1914-1918 (7)
- Women in aeronautics (6)
- Air travel (4)
- Aircraft industry (3)
- Airlines (3)
- Women air pilots (3)
- Aeronautical engineers (2)
- Airplanes (2)
- Airships (2)
- Burgess Aircraft Family (2)
- Flight training (2)
- Gliding and soaring (2)
- Kites (2)
- Railroad travel (2)
- World War, 1939-1945 (2)
- Aerial reconnaissance (1)
- Aero Club of America Medal (1)
- Air mail service (1)
- Airplane racing (1)
- Albatros D.Va (L24) (1)
- Arctic medicine (1)
- Autogiros (1)
- Automobile racing (1)
- Aviation medicine (1)
- Balloons (1)
- Burgess-Wright Aircraft Family (1)
- Caproni Ca.3 (1)
- Cessna 205 (1)
- Curtiss Condor Family (1)
- Curtiss JN-4 Jenny Family (1)
- Dornier Do J Wal (Whale)(Do 16) (1)
- Douglas World Cruiser (DWC) (1)
- Endurance flights (1)
- Flights around the world (1)
- Ford Tri-Motor Family (1)
- Kellett Autogiro Family (1)
- Langley Aerodrome A, Curtiss 1914 Rebuild (1)
- Licenses (1)
- Miller Corp MCA-1 Amphibian Biplane (1)
- Models and modelmaking (1)
- Museums (1)
- Nicholas-Beazley (Barling) NB-3 (1)
- Nuclear weapons (1)
- Operation Crossroads, 1946 (1)
- Photographic reconnaissance systems (1)
- Pitcairn PA-3 Orowing (1)
- Pitcairn PCA-2 Autogiro (1)
- Pitts S-1 Special (1)
- Pitts aircraft (1)
- Rescue dogs (1)
- Rescue work (1)
- Rescues (1)
- Stunt flying (1)
- Waco 10 Family (Aircraft) (1)
- Walsh 1911 Silver Dart (1)
- Works of art (1)
- Wright (Brothers) 1903 Flyer (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.