- U.S. Circuit Court Criminal Docket - Bickley Mills, VA, 1893/19071
- UR's 175th Anniversary Collection, 1997/20081
- USS Vulcan (AR-5) Collection, 1898/19852
- Ulysses S. Grant Scrapbook, 1885/19062
- Union Carbide Corporation, Hawk's Nest Project, Papers, 1873/19662
- Unitarian Universalist Church of Norfolk Records, 1866/2011, bulk 1950/199011
- United Confederate Veterans Collection, 1893/193812
- United Daughters of the Confederacy Williamsburg (Va.) records, 1890/19985
- United Daughters of the Confederacy, Dr. Harvy Black Chapter Records, 1862/201013
- United Daughters of the Confederacy, General Jenkins Chapter, Scrapbooks of Records, 1899/19721
- United Daughters of the Confederacy, Radford, VA Chapter Records, 1896/19482
- United Daughters of the Confederacy, Turner Ashby Chapter Records, 1896/19914
- United Mine Workers Records at Cornell University, 1899/19271
- United Mine Workers of America, Health and Retirement Funds, Records, 1915/19891
- United Nations Conferences on the Law of the Sea papers, 1967/19951