Gregory I (the GreatSt.), Pope (reigned 590604), 177 , 303 , 334 , 369 ,
381 -387, 394 , 397 , 402 , 414 ; and St. Benedict, 378 381; and growth
of papal power, 375 , 478 ; period following, 388 ; quoted, 378 -380,
384 -386
Gregory II (St.), Pope (reigned 715-731), 394
Gregory III (St.), Pope (reigned 731-741), 390
Gregory VI, Pope (reigned 1045-1046), 412 , 414
Gregory VII (St. Hildebrand), Pope (reigned 1073-1085), 408 , 412 , 414
416, 417 , 430 , 478. See also Hildebrand
Gregory IX, Pope (reigned 1227-1241), 444 , 445 , 448 , 449 , 450 , 479
Gregory XI, Pope (reigned 1370-1378), 482 , 485
Griechische Geschichte ( Beloch), 10 â€
Grosseteste, Robert, English theologian and scholar, Bishop of Lincoln
(d. 1253), 465
Grotius, Hugo (Huig de Groot), Dutch jurist and statesman ( 1583-
1645), 630
ground in logic, 664
Guadalquivir, 723
guardian angel, 265
guardians, in Plato's Utopia, 108 -109, 111 , 113 , 114 , 122 , 125 , 130 ,
182
Guelfs, 444 , 450 , 478 , 497
Guericke, Otto von, German physicist ( 16021686), 535
Guicciardini, Francesco, Florentine statesman and
historian ( 1483-1540), quoted, 501
Guiccioli, Countess Teresa, mistress of Lord Byron ( 1801?-1873), 751
Guide to Wanderers (Maimonides), 428
Guillelmi de Ockham Opera Politica, 471 *
Guise, noble house of France, active in wars of religion ( 16th cent.),
555
gunpowder, 466 , 486
Habeas Corpus Act, 602
habit, 655 , 667 , 669 , 670 , 795 , 797 , 814