- Perley Reed, Author, Poetry and Artwork, 1922/19651
- Rosalie Stewart Detch, Papers and Ephemera, 1907/19821
- Rufus A. West, Collector, Papers, 1830/19521
- Rufus A. West, Collector, Papers, 1880/19471
- Rufus A. West, Collector, Records regarding West Virginia History and Other Material, 1870/19491
- Scott Gibson, Photographer, Glass Plate Negatives, 1880/19601
- Scott Gibson, Photographer, Prints and Nitrate Negatives, 1897/19501
- Seneca Glass Company Records, 1840/19851
- Stewart Plein, Librarian and Collector, Papers, 1880/2025, bulk 1896/19341
- Teamsters Local 175, Scrapbook and Diary, 1938/19491
- Thomas Ray Dille Papers, 1781/19481
- Thomas W. Bennett (1947-1969) Papers, 1940/20191
- Thomas Zinn, Collector, Papers and Collectibles, 1900/20051
- Thoney Pietro, Contractor, Papers, 1867/19821
- Vaughn L. Kiger, Collector, Historical Photographs and Records regarding Morgantown, 1784/2017, bulk 1880/20101