U
- UN Conference on Science and Technology for Development (1979 : Vienna) - 237
- UN General Assembly - 178
- Unamuno, Miguel de, 1864-1939 - 273
- UNESCO - 240, 468
- Union of Superiors General - 45
- Union-Management Conference, University of Notre Dame - 188
- United Farm Workers - 354
- United Negro Protest Committee - 323
- United States
- _____ Army - 54, 156, 326
- _____ Illinois Infantry Regiment, 58th (1861-1865) - 487
- _____ Indiana Infantry Regiment, 9th (1861-1865) - 218
- _____ Indiana Infantry Regiment, 73rd (1861-1865) - 441
- _____ Ohio Infantry Regiment, 10th (1861-1865) - 514
- _____ Punitive Expedition into Mexico, 1916 - 326
- _____ Bureau of Indian Affairs - 21, 250
- _____ Colonial period, ca. 1600-1775 - 83
- _____ Commerce - 252
- _____ Congress. House - 301
- _____ Courts of Appeals - 178
- _____ Dept. of Health and Human Services Cuban / Haitian Task Force - 423
- _____ Dept. of Housing and Urban Development - 23
- _____ Economic conditions 1981- - 535
- _____ Economic policy Moral and ethical aspects - 266
- _____ Emigration and immigration - 162
- _____ Environmental Protection Agency - 432
- _____ History - 473
- _____ National Advisory Committee for Aeronautics Committee on Aerodynamics - 545
- _____ National Defense Advisory Commission - 192
- _____ National Labor Relations Board - 178
- _____ Navy - 192, 473
- _____ Office of Naval Research - 145, 525
- _____ Politics and government 1815-1861 - 203
- _____ Politics and government 1933-1945 - 527
- _____ Post Office Dept. Administration - 527
- _____ President's Committee on Equality of Treatment and Opportunity in Armed Services - 178
- _____ Presidential Clemency Board - 237
- _____ Select Commission on Immigration and Refugee Policy - 237
- _____ Shipbuilding Labor Adjustment Board - 252
- _____ Shipping Board - 252
- _____ Social conditions 1960- - 23
- _____ Solicitor General - 178
- _____ Supreme Court - 504
- _____ War Dept - 545
- _____ War with Mexico, 1845-1848 - 287
- United States Advisory Commission for International Educational and Cultural Affairs - 237
- United States Atomic Energy Commission - 19, 145, 525
- United States Catholic Conference - 23, 142, 111, 152, 221, 288
- _____ Dept. of Social Development and World Peace - 111
- United States Commission on Civil Rights - 208, 237
- Universalism - 336
- Université Catholique de Louvain (1835-1969) - 187
- Universities and colleges
- _____ Administration - 237, 306, 384
- _____ History - 349, 375
- _____ Indiana - 375
- _____ Ireland Dublin - 5
- _____ Maryland - 349
- _____ Societies, etc - 7
- University of California, Berkeley Dept. of Botany - 325
- University of Notre Dame: see Notre Dame
- University presses - 449
- Up the Orinoco and down the Magdalena - 546
- Updike, John - 462
- Urban policy - 424
- Urban VIII, Pope, 1568-1644 - 11, 34
- Ursulines - 243, 420, 433
- US Catholic - 512
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