Collection
- Saint Andrew's Society collection2
- Sam di Bonaventura papers1
- Samuel H. Yonge papers1
- Samuel Henley Papers2
- Scott and Gunnell family papers2
- Scottish Court of Session records19
- Sessional Records of South-Central Virginia Churches2
- Seth Stowers Ledger2
- Sheet Music Collection2
- Shelton H. Short III papers2
- Shenandoah Valley Legal Documents3
- Short Histories of Western Pennsylvania Counties1
- Short Papers1
- Sir Jeffray Gilbert Notes2
- Skipwith Family papers4