Collection
- Saint Andrew's Society collection2
- Samuel H. Yonge papers1
- Scottish Court of Session records1
- Sessional Records of South-Central Virginia Churches2
- Sheet Music Collection2
- Shenandoah Valley Legal Documents3
- Short Histories of Western Pennsylvania Counties1
- Short Papers1
- Sir Jeffray Gilbert Notes2
- Skipwith Family papers6
- Smith-Walker Papers1
- Somerville family papers1
- Stearns Family Papers3
- Steve Wolfe, Collector, Historical Newspapers2
- Stuart Family Papers3