Mss. 39.2 N33 James Poyntz Nelson Papers, 1866-1926; Mss. MsV Ad121-125 James Poyntz Nelson Manuscript Volumes; and Mss. MsV Co4 Olive Nelson Commonplace Book, all at Special Collections Research Center, Swem Library, College of William & Mary.
The Nelson Family papers (1560 items) are at the Virginia Historical Society, Richmond, Va.,: Mss1 N3386 a.