- P. Bradley & Sons Ledger, 1901/19031
- P.D. Gwaltney & Co. Records, 1870/1940, bulk 1885/19309
- Pace Family Papers, 1947/20061
- Page-Saunders Papers, 1790/19322
- Painted Silhouette of Bishop James Madison, 1890/19302
- Painted Silhouette of Charles Minnigerode, 1890/19301
- Painters Local Union, No. 91, Wheeling, Records, 1886/19586
- Pamphlets regarding Morgantown, West Virginia, 1900/1920, bulk 1900/19101
- Panoramic Photographs Collection, 1890/2008, bulk 1890/19602
- Papers of Alexander H. H. Stuart and the related Stuart and Baldwin families 1754-19211
- Papers of Christine Meadows, Curator, 1960/19975
- Papers of Edward Price Buford, 1893/193139
- Papers of Ellen Glasgow
1880-19633
- Papers of James Lawrence Basil Williams
ca.
1895-19951
- Papers of Jedediah Hotchkiss2