- Archival materials (154)
- Collection descriptions (154)
- Correspondence (68)
- Works of art (58)
- Scrapbooks (37)
- Publications (36)
- Clippings (26)
- Maps (16)
- Diaries (15)
- Manuscripts (11)
- Financial records (10)
- Reports (10)
- Drawings (8)
- Ephemera (8)
- Logs (records) (7)
- Articles (6)
- Audiotapes (6)
- Certificates (6)
- Newsletters (5)
- Newspaper clippings (5)
- Aerial photographs (4)
- Negatives (4)
- Press releases (4)
- Brochures (3)
- Menus (3)
- Postcards (3)
- Prints (3)
- Programs (3)
- Telegrams (3)
- Videotapes (3)
- Advertisements (2)
- Albums (2)
- Cd-roms (2)
- Charts (2)
- Color slides (2)
- Gigabytes (2)
- Glass negatives (2)
- Memorandums (2)
- Motion pictures (visual works) (2)
- Newspapers (2)
- Notebooks (2)
- Notes (2)
- Rosters (2)
- Slides (photographs) (2)
- Songbooks (2)
- Tickets (2)
- Audiocassettes (1)
- Black-and-white negatives (1)
- Blueprints (1)
- Business cards (1)
- Business records (1)
- Calendars (1)
- Cartoons (humorous images) (1)
- Christmas cards (1)
- Digital images (1)
- Guidebooks (1)
- Labels (1)
- Lantern slides (1)
- Lectures (1)
- Letters (1)
- Manuals (1)
- Newsclippings (1)
- Pamphlets (1)
- Papers, technical (1)
- Philately (1)
- Printed ephemera (1)
- Printed material (1)
- Receipts (1)
- Resumes (1)
- Scripts (documents) (1)
- Signatures (names) (1)
- Snapshots (1)
- Speeches (1)
- Technical reports (1)
- Timetables (1)
- Transcripts (1)
- Video recordings (1)
- Aeronautics (132)
- Art (58)
- Aeronautics, Military (54)
- Aeronautics, Commercial (45)
- Periodicals (27)
- World War, 1914-1918 (22)
- Air pilots (21)
- World War, 1939-1945 (19)
- Airplanes (14)
- Women in aeronautics (14)
- Airships (13)
- Airlines (10)
- Women air pilots (10)
- Aircraft industry (8)
- Aerial photography (7)
- Works of art (7)
- Balloons (6)
- Flight training (6)
- Helicopters (6)
- Air mail service (5)
- Air travel (5)
- Airplane racing (5)
- Astronautics (5)
- Aeronautical engineers (4)
- Airports (4)
- Boeing B-29 Superfortress (4)
- Gliding and soaring (4)
- African American air pilots (3)
- Airplanes, Military (3)
- Cold War (3)
- Curtiss Condor Family (3)
- Curtiss JN-4 Jenny Family (3)
- Fighter pilots (3)
- Kites (3)
- Photographic reconnaissance systems (3)
- Photography (3)
- de Havilland (Airco) D.H.4 (3)
- Aerial reconnaissance (2)
- Aeronautics and state (2)
- Air defenses (2)
- Astronauts (2)
- Bases and Installations, Hawaii, Hickam (2)
- Bell P-59 Airacomet Series (2)
- Boeing Model 377 Stratocruiser Family (2)
- Burgess Aircraft Family (2)
- Curtiss NC-1 (P2N-1) (2)
- Deperdussin Aircraft Family (2)
- Douglas C-54 Skymaster Family (2)
- Douglas DC-9 Family (2)
- Douglas World Cruiser (DWC) (2)
- Flights around the world (2)
- Korean War, 1950-1953 (2)
- Langley Aerodrome A, Curtiss 1914 Rebuild (2)
- Lockheed P-38 Lightning Family (2)
- Manned space flight (2)
- McDonnell F-4 (F4H) Phantom II Family (2)
- Mercury Project (2)
- Military intelligence (2)
- Miss Fifinella (Fictitious character) (2)
- Naval aviation (2)
- Project Apollo (U.S.) (2)
- Radio in aeronautics (2)
- Railroad travel (2)
- Rockets (Aeronautics) (2)
- Royal Aircraft Factory (RAF) S.E.5 (2)
- SPAD XIII (S.13) (2)
- Seaplanes (2)
- Sikorsky (USA) S-38 Amphibion Family (2)
- Space flight (2)
- USS Los Angeles ( ZR-3) (2)
- United States (2)
- Voisin Aircraft Family (2)
- Women and the military (2)
- 14th Balloon Photo Section (1)
- Aerial Experiment Assoc Aerodrome No 3 June Bug (1)
- Aerial Experiment Assoc Aerodrome No 4 Silver Dart (1)
- Aero Club of America Medal (1)
- Aero Spacelines Guppy Family (1)
- Aeronautical instruments (1)
- Aeronautics in art (1)
- Aeronautics in missionary work (1)
- African American women air pilots (1)
- African Americans in aeronautics (1)
- Aircraft (1)
- Aircraft carriers (1)
- Albatros B.IIl (1)
- Albatros D.Va (L24) (1)
- Antisubmarine aircraft (1)
- Antoinette Aircraft Family (1)
- Apollo Lunar Module (1)
- Apollo Project (1)
- Arctic medicine (1)
- Artificial satellites (1)
- Artillery (1)
- Astrophysics (1)
- Asylum, Right of (1)
- Autogiros (1)
- Automobile racing (1)
- Aviatik B.II (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.