- Archival materials (12)
- Collection descriptions (12)
- Correspondence (9)
- Photographs (7)
- Clippings (4)
- Newsletters (3)
- Publications (3)
- Reports (3)
- Scrapbooks (3)
- Notes (2)
- Audiocassettes (1)
- Audiotapes (1)
- Brochures (1)
- Certificates (1)
- Drawings (1)
- Ephemera (1)
- Financial records (1)
- Manuals (1)
- Manuscripts (1)
- Negatives (1)
- Newspapers (1)
- Receipts (1)
- Transcripts (1)
- Videotapes (1)
- Aeronautics (12)
- Aeronautics, Military (3)
- Aircraft industry (3)
- Airplanes (2)
- Periodicals (2)
- Aeronautical engineers (1)
- Aeronautical instruments (1)
- Aeronautical sports (1)
- Aeronautics and state (1)
- Aeronautics in art (1)
- Air mail service (1)
- Air pilots (1)
- Boeing B-29 Superfortress (1)
- Flight attendants (1)
- Gliding and soaring (1)
- High-speed aeronautics (1)
- Insurance, Aviation (1)
- Jet propulsion (1)
- Martin B-26 Marauder Family (1)
- Mathematicians (1)
- Monnett Moni (homebuilt) (1)
- Oil industries (1)
- Petroleum industry and trade (1)
- Photographs (1)
- Project Oilwings (1)
- Radio (1)
- Radio in aeronautics (1)
- Supersonic transport planes (1)
- Women air pilots (1)
- Women in aeronautics (1)
- Works of art (1)
- World War, 1914-1918 (1)
- World War, 1939-1945 (1)
- advertising (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.