Subjects
- Lantern slides.[remove]2
- Armories1
- Artillery--China--Slides.1
- Ballooning.1
- Casualties, War--Slides.1
- Gelatin dry plate negatives.1
- Gelatin silver prints.1
- Glass negatives.1
- Greyhound buses1
- Historic buildings.1
- Historic house museums1
- Hot air balloons.1
- Lee, Robert E. (Robert Edward), 1807-1870.1
- Masonic buildings -- Virginia -- Alexandria -- 1920-19301
- Monuments & memorials -- Virginia -- Alexandria -- 1920-19301