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- UFO Sightings Section
- The unaccounted-for: the county's man is South Bend's Wars, Unrest & Disasters
- The unchartered form: DeAmicis, DiLoreto, and the brotherhood circle Lodges & Fraternal Orders
- Under United States Rubber: the subsidiary years Ball Band
- Underground Railroad Section
- Undertakers and Funeral Homes, 1902–1984 Businesses & Banks
- The union and the company: Dick & Kamm, the partnership of 1879/1880, and an incorporation carried two ways Wineries & Distilleries
- University Crossings: the corridor reaches University Drive Malls & Shopping
- The University Museum Succession — and the Campus Wall Arts
- The University of Notre Dame Archives — The Council Records Sources
- University Park Mall: the making, 1976–1979 Malls & Shopping
- The university pipeline: the winner's Notre Dame line, and Bethel's own Dot-Com Era
- The unnamed · the Doe test, run and negative Cold Cases
- The unplaced paper: the Investigator Newspapers & Media
- The unsigned contract: $1.94 million paid on a contract that was never signed City Controversies
- The Unsolved of the Record, and the Record's Edge Crime History
- US 20 and McKinley Avenue: the second east–west line Main Roads & Corridors