- Archival materials (8)
- Collection descriptions (8)
- Correspondence (6)
- Diaries (2)
- Drawings (2)
- Financial records (2)
- Manuscripts (2)
- Videotapes (2)
- Business cards (1)
- Maps (1)
- Motion pictures (visual works) (1)
- Negatives (1)
- Notebooks (1)
- Press releases (1)
- Reports (1)
- Scrapbooks (1)
- Slides (photographs) (1)
- Transcripts (1)
- Aeronautics (7)
- Periodicals (5)
- Works of art (2)
- Aerial photography (1)
- Aeronautical engineers (1)
- Aeronautics, Commercial (1)
- Aeronautics, Military (1)
- Air mail service (1)
- Aircraft industry (1)
- Airplane racing (1)
- Airships (1)
- Antisubmarine aircraft (1)
- Astronautics (1)
- Astronomy (1)
- Fighter pilots (1)
- Flight training (1)
- Space sciences (1)
- Telescopes (1)
- Wright (Co) Model G Aeroboat (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.