- U.S. Army Medical Officer's Hat2
- UR's 175th Anniversary Collection1
- USS Vulcan (AR-5) Collection3
- Ukrainian National Association. Assembly No. 29 (Nanticoke, Pa.) Records1
- Union Carbide Corporation, Hawk's Nest Project, Papers2
- Unitarian Universalist Church of Norfolk Records14
- United Confederate Veterans Collection10
- United Daughters of the Confederacy Williamsburg (Va.) records6
- United Daughters of the Confederacy, Dr. Harvy Black Chapter Records14
- United Daughters of the Confederacy, General Jenkins Chapter, Scrapbooks of Records1
- United Daughters of the Confederacy, Radford, VA Chapter Records1
- United Daughters of the Confederacy, Southern Cross of Honor Records7
- United Daughters of the Confederacy, Turner Ashby Chapter Records5
- United Mine Workers Records at Cornell University1
- United Mine Workers of America, Health and Retirement Funds, Records1