- Nancy Bondurant Jones Papers, 1909/2011, bulk 1991/20077
- Nancy H. Marshall A Visit From St. Nicholas (The Night Before Christmas) Collection, 1813/20051
- Nancy Randolph Papers, 1805/19621
- Nassau, Cuba, and Deal, New Jersey Photograph Albums, 19201
- Nat T. Frame (1877-1948) Papers, 1914/194888
- Nathan H. Nelson cadet scrapbook, 1918/19221
- Nathan Ochs Family Papers, 1813/1970, bulk 1884/19241
- Nathan and Randolph McMasters, Certificate and Letter, 1910/19771
- Nathaniel C. Wilson collection, 1834/19415
- National Agricultural Publications, 19173
- National Association of Manufacturers of Pressed and Blown Glassware, Records, 1909/19321
- National Grange Records of Foster R. Hardman of Lewis County, 1907/19344
- National Ideal Benefit Society records, 1912/19512
- National Society of the Daughters of the American Revolution. Massanutton Chapter Records, 1895/201617
- Native Americans, 1872/19882