- Archival materials (7)
- Collection descriptions (7)
- Correspondence (6)
- Photographs (6)
- Drawings (3)
- Reports (3)
- Articles (2)
- Audiotapes (2)
- Clippings (2)
- Publications (2)
- Audiocassettes (1)
- Biographies (1)
- Catalogs (1)
- Diaries (1)
- Financial records (1)
- Manuals (1)
- Newsletters (1)
- Newspapers (1)
- Scrapbooks (1)
- Transcripts (1)
- Aeronautics (7)
- Aeronautics, Military (3)
- Aerodynamics (1)
- Aeronautics and state (1)
- Air travel (1)
- Airlines (1)
- Airplanes (1)
- Astronautics (1)
- Astronautics and state (1)
- Astrophysics (1)
- Environmental sciences (1)
- Flight attendants (1)
- Helicopters (1)
- Helicopters, Home-built (1)
- Lawrance J-1 9-cyl radial engine (1)
- Lawrance Model B 3-cyl radial engine (1)
- Oil industries (1)
- Periodicals (1)
- Petroleum industry and trade (1)
- Project Oilwings (1)
- Rotorway RW 133 Scorpion Helicopter (1)
- Sellers 1908 Quadruplane (Sellers No 5) (1)
- Sellers 1909 Quadruplane (Sellers No 6) (1)
- Sellers 1924 Multiplane (1)
- Wind tunnels (1)
- Women air pilots (1)
- Women in aeronautics (1)
- Wright (Co) Type A Family (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.