Ussam, Cassam, 1128.
      Urbano II, 1375.
      Urbino (duca di), Guidobaldo da Montefeltro, 8, 9, 14, 16, 17, 18, 20, 22, 24, 28, 30, 33, 35, 42, 47, 53, 58, 61, 62, 66, 71, 74, 75, 76, 78, 84, 86, 87, 96, 99, 109, 111, 114, 126, 127, 129, 137, 138, 142, 145, 153, 154, 155, 159, 161, 162, 168, 170, 171, 173, 177, 179, 188, 194, 195, 201, 202, 205, 206, 209, 210, 219, 220, 221, 222, 226, 227, 231, 232, 235, 239, 240, 242, 243, 244, 246, 247, 251, 253, 254, 255, 258, 259, 260, 266, 267, 269, 270, 271, 272, 274, 275, 276, 277, 278, 281, 282, 286, 288, 299, 300, 302, 304, 305, 306, 308, 309, 313, 314, 316, 329, 332, 333, 348, 350, 351, 354, 355, 356, 357, 360, 363, 367, 369, 371, 372, 373, 381, 383, 384, 388, 392, 393, 408, 412, 414, 419, 426, 428, 436, 438, 440, 441, 442, 448, 450, 457, 458, 462, 464, 465, 467, 469, 470, 476, 479, 480, 484, 485, 493, 501, 505, 506, 513, 521, 536, 538, 541, 545, 546, 551, 559, 567, 571, 574, 579, 595, 604, 607, 616, 629, 651, 652, 659, 661, 665, 668, 670, 671, 687, 708, 722, 723, 724, 725, 726, 742, 744, 745, 754, 759, 771, 772, 773, 776, 779, 780, 781, 784, 787, 788, 792, 793, 795, 796, 803, 809, 810, 811, 827, 868, 878, 886, 910, 912, 929, 932, 933, 938, 939, 942, 945, 953, 969, 974, 975, 985, 988, 993, 997, 1000, 1047, 1070, 1079.
      Urbino (duchessa di), Isabella Gonzaga, 173, 269, 313, 316, 381, 400, 412, 426, 809.
      Urbino (di) conte Antonio, 286, 299, 305, 316, 350, 351, 363.
      Urbino (padre del duca di), 780.
      Urbino (oratori di) a Venezia, Machario da Camerino, 35, 53, 61, 76, 78, 85, 98, 129, 137, 145, 163, 188, 220, 221, 235, 242, 247, 253, 254, 257, 271, 275, 302, 312, 314, 329, 332, 369, 374, 381, 383, 402, 405, 426, 430, 436, 440, 457, 464, 467, 470, 484, 505, 529, 541, 545, 547, 548, 549, 574, 607, 616, 638, 651, 653, 659, 665, 675, 723, 726, 742, 744, 745, 754, 772, 787, 868, 886, 929, 938, 969.