- P.D. Gwaltney & Co. Records, 1870/1940, bulk 1885/193021
- 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, 1886/19583
- Panoramic Photographs Collection, 1890/2008, bulk 1890/19603
- Papers of Alexander H. H. Stuart and the related Stuart and Baldwin families 1754-19213
- Papers of Christine Meadows, Curator, 1960/19975
- Papers of Edward Price Buford, 1893/193121
- Papers of Ellen Glasgow
1880-19632
- Papers of Jedediah Hotchkiss8
- Papers of John A. Washington III, 1798/19403
- Papers of Mark Twain
1862-1946, bulk 1872-191026
- Papers of Mary Johnston3