- Archival materials (7)
- Collection descriptions (7)
- Photographs (4)
- Publications (4)
- Correspondence (3)
- Brochures (2)
- Clippings (2)
- Financial records (2)
- Reports (2)
- Articles (1)
- Labels (1)
- Manuals (1)
- Manuscripts (1)
- Maps (1)
- Menus (1)
- Microfiche (1)
- Microfilms (1)
- Newsletters (1)
- Postcards (1)
- Press releases (1)
- Scrapbooks (1)
- Timetables (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.