Collection
- S. Bassett French Papers (I) and (II)1
- S. G. Davis Ledger2
- S. Maria Elliott Family Collection2
- Sabra Lucinda (Miner) Sturgiss Papers1
- Sailing Diary2
- Saint Andrew's Society collection6
- Sallie M. Amnien Autograph Album2
- Salt Sulphur Springs Records2
- Sam Bowman Papers2
- Sam di Bonaventura papers2
- Sampson Snider Civil War Records and Other Material1
- Samuel A. Creelman Papers2
- Samuel B. Drinkard and Co. Account Book (Richmond, Va.)1
- Samuel B. Finley Account Books1
- Samuel D. Morton and Co. Account Books4