- Archival materials (18)
- Collection descriptions (18)
- Photographs (14)
- Scrapbooks (7)
- Correspondence (6)
- Publications (4)
- Clippings (3)
- Diaries (2)
- Ephemera (2)
- Aerial photographs (1)
- Albums (1)
- Articles (1)
- Audiotapes (1)
- Certificates (1)
- Guidebooks (1)
- Logs (records) (1)
- Manuscripts (1)
- Maps (1)
- Negatives (1)
- Newspaper clippings (1)
- Photographic prints (1)
- Postcards (1)
- Aeronautics (17)
- Air pilots (8)
- Periodicals (5)
- Aeronautics, Commercial (4)
- Nieuport (France) 28 (2)
- SPAD XIII (S.13) (2)
- Aerial photography (1)
- Aerial reconnaissance (1)
- Aeronautical engineers (1)
- Air mail service (1)
- Aircraft industry (1)
- Airplanes (1)
- Albatros D.Va (L24) (1)
- Balloons (1)
- Caproni Ca.3 (1)
- Cessna Aircraft Company (1)
- Christofferson 1912 Seaplane (1)
- Curtiss JN-4 Jenny Family (1)
- Curtiss JN-4D Jenny (1)
- Curtiss JN-4HG Hisso Jenny (1)
- Dorand A.R. (Avion de Reconnaissance) Series (1)
- Fighter pilots (1)
- Fokker D.VI (1)
- Fokker E.II (M 14) (1)
- Gotha G.IV (1)
- LFG Roland Family (1)
- LVG C.III (1)
- LWF V-3 (1)
- Morane-Saulnier Model LA (Mo.S.4) (1)
- National Aeronautical Association (U.S.) (1)
- Nieuport (France) 11 Monoplane (1)
- Nieuport (France) 17 (1)
- Photographic reconnaissance systems (1)
- Prisoners of war (1)
- RAF F.E.3 (A.E.1) (1)
- Soldiers (1)
- Standard (NJ) JR-1 (1)
- Voisin Aircraft Family (1)
- Works of art (1)
- World War, 1939-1945 (1)
- de Havilland (Airco) D.H.4 (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.