- Archival materials (6)
- Collection descriptions (6)
- Correspondence (6)
- Photographs (5)
- Clippings (4)
- Reports (3)
- Manuscripts (2)
- Publications (2)
- Audiocassettes (1)
- Audiotapes (1)
- Bibliographies (1)
- Dictionaries (1)
- Ephemera (1)
- Manuals (1)
- Minutes (1)
- Newsletters (1)
- Newspapers (1)
- Notes (1)
- Pamphlets (1)
- Scrapbooks (1)
- Transcripts (1)
- Aeronautics (5)
- Aeronautics, Commercial (3)
- Air pilots (2)
- Women in aeronautics (2)
- World War, 1939-1945 (2)
- Aerial photography (1)
- Aeronautical engineers (1)
- Aeronautics in art (1)
- Air mail service (1)
- Aircraft carriers (1)
- Aircraft industry (1)
- Airlines (1)
- Boeing B-29 Superfortress (1)
- Cameras (1)
- Cartography (1)
- Fighter pilots (1)
- Flight attendants (1)
- Maps, Military (1)
- Martin B-26 Marauder Family (1)
- Photography (1)
- Women air pilots (1)
- Women and the military (1)
- Works of art (1)
- World War, 1914-1918 (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.