- Archival materials (26)
- Collection descriptions (26)
- Photographs (16)
- Scrapbooks (9)
- Correspondence (7)
- Publications (4)
- Clippings (3)
- Diaries (2)
- Ephemera (2)
- Negatives (2)
- Photograph albums (2)
- Photographic prints (2)
- Aerial photographs (1)
- Albums (1)
- Articles (1)
- Audiotapes (1)
- Certificates (1)
- Color transparencies (1)
- Digital images (1)
- Gigabytes (1)
- Glass negatives (1)
- Guidebooks (1)
- Logs (records) (1)
- Manuscripts (1)
- Maps (1)
- Newspaper clippings (1)
- Notebooks (1)
- Postcards (1)
- Aeronautics (21)
- Air pilots (11)
- Periodicals (6)
- Aeronautics, Commercial (4)
- Airplanes (3)
- Curtiss JN-4 Jenny Family (2)
- Nieuport (France) 28 (2)
- SPAD XIII (S.13) (2)
- de Havilland (Airco) D.H.4 (2)
- Aerial photography (1)
- Aerial reconnaissance (1)
- Aeronautical engineers (1)
- Air mail service (1)
- Aircraft accidents (1)
- Aircraft industry (1)
- Airships (1)
- Albatros D.Va (L24) (1)
- Ambulances (1)
- Ansaldo SVA (1)
- Avro Type 504 (1)
- Balloons (1)
- Breguet 14 (Military aircraft) (1)
- Caproni Ca.3 (1)
- Cessna Aircraft Company (1)
- Christofferson 1912 Seaplane (1)
- Curtiss JN-4D Jenny (1)
- Curtiss JN-4HG Hisso Jenny (1)
- Dayton Wright DH-4 (1)
- Dorand A.R. (Avion de Reconnaissance) Series (1)
- Fighter pilots (1)
- Flight training (1)
- Fokker E.II (M 14) (1)
- Gotha G.IV (1)
- LFG Roland Family (1)
- LVG C.III (1)
- LWF V-3 (1)
- National Aeronautical Association (U.S.) (1)
- Photographic reconnaissance systems (1)
- Prisoners of war (1)
- Royal Aircraft Factory F.E.2B (1)
- Soldiers (1)
- Sopwith F.1 Camel (1)
- Standard (NJ) JR-1 (1)
- Works of art (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.