- Sabra Lucinda (Miner) Sturgiss Papers1
- Sabraton Housing Study, Scrapbook and Photographs1
- Samuel Hanway Papers1
- Sanford McBee, "A Detailed Report of the Jones Raid in the Civil War of 1861"1
- Sarah Jane Lough Civil War Letter regarding Confederate Activity in Morgantown1
- Schools, Morgantown, Miscellany1
- Scott Gibson, Photographer, Glass Plate Negatives1
- Scott Gibson, Photographer, Prints and Nitrate Negatives1
- Scott Lumber Company Ledger1
- Seneca Glass Company Records1
- Sigma Nu Home Association, Contracts and Other Records1
- Socialist Workers Party Papers1
- Stagers and Mackey, Teamsters, Account Books1
- Steven Barsony papers1
- Stewart Plein, Librarian and Collector, Papers1