| 1. | Udall, Morris K. | (8 Items) |
| 2. | Ulbricht, Walter, 1893 - 1973 | (1 Item) |
| 3. | United Nations | (23 Items) |
| 4. | United States Congress | (84 Items) |
| 5. | United States Presidential Campaigns | (34 Items) |
| 6. | United States Supreme Court | (10 Items) |
| 7. | Ustinov, Peter. | (1 Item) |
