Subject
- Military engineers1
- Military headquarters1
- Military passes1
- Naval battles1
- Photographic prints--1860-18701
- Politicians1
- Population1
- Portraits1
- Prisoner of war1
- Railroad bridges1
- Rappahannock Station, 2nd Battle of, Va., 18631
- Ratio and proportion1
- River channels1
- Roll calls1
- Ruins1
- Safe-conducts1
- Slave1
- South Atlantic States1
- Southern States1
- Stereographs--1860-18701