- Archival materials (7)
- Collection descriptions (7)
- Photographs (4)
- Correspondence (3)
- Clippings (2)
- Drawings (2)
- Financial records (2)
- Publications (2)
- Articles (1)
- Audiocassettes (1)
- Biographies (1)
- Diaries (1)
- Logs (records) (1)
- Manuscripts (1)
- Motion pictures (visual works) (1)
- Newspapers (1)
- Notebooks (1)
- Notes (1)
- Scrapbooks (1)
- Transcripts (1)
- Aeronautics (5)
- Aeronautics, Commercial (3)
- Air defenses (1)
- Air pilots (1)
- Balloons (1)
- Bombs (1)
- Curtiss NC-1 (P2N-1) (1)
- Curtiss NC-4 (P2N-1) (1)
- Curtiss NC-Boat Family (1)
- Curtiss, General, Aircraft (1)
- Curtiss-Wright aircraft (1)
- Flight attendants (1)
- Military intelligence (1)
- Periodicals (1)
- Seaplanes (1)
- Transatlantic flights (1)
- Waco Aircraft Family (1)
- Women air pilots (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.