- Archival materials (11)
- Collection descriptions (11)
- Scrapbooks (4)
- Clippings (3)
- Publications (3)
- Diaries (2)
- Manuscripts (2)
- Articles (1)
- Audiotapes (1)
- Calendars (1)
- Certificates (1)
- Ephemera (1)
- Memorandums (1)
- Negatives (1)
- Newspaper clippings (1)
- Receipts (1)
- Reports (1)
- Resumes (1)
- Rosters (1)
- Aeronautics (10)
- Aeronautics, Military (5)
- Air pilots (4)
- Aeronautics, Commercial (2)
- Periodicals (2)
- Aerial reconnaissance (1)
- Aeronautical engineers (1)
- Air mail service (1)
- Aircraft (1)
- Airplanes (1)
- Caproni Ca.3 (1)
- Dyott Bomber (1916) (1)
- Dyott Monoplane (1913) (1)
- Enemy property (1)
- Mining (1)
- Oil wells (1)
- Photographic reconnaissance systems (1)
- United States. Army. American Expeditionary Forces (1)
- Walden IV 1910 Monoplane (1)
- Women in aeronautics (1)
- World War, 1939-1945 (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.