by Will Durant
   herring, 837
   fisheries, 618
   trade, 645
   Hertford, Synod of, 487
   Hesiod, 10
   Hethum I, 652
   Hexaemeron (Ambrose), 1008
   Hexham, church at, 491
   Hezekiah, 1078
   Hibbur ha-meshihah (Abraham ben Hiyya), 403, 911
   Hierapolis, 145, 146, 147
   Higden, Ranulf, 682
   highways, 465, 621, 839
   Hilarius, 1029
   Hilary, Bishop of Aries, St., 50
   Hilary, Bishop of Poitiers, St., 57, 135, 747
   Hildebert, Archbishop of Mainz, 511
   Hildebert of Lavardin, 1018, 1023-1024, 1025, 1027
   Hildebrand, see Gregory VII Hildegarde of Bingen, St., 809-810, 998
   Hildesheim, 514, 516, 960
   Cathedral, 909
   Hillel, 226, 351, 362, 419
   Hillel II, 347
   Himilco, 82
   Himyarites, 119, 146, 156
   Hincmar, Archbishop of Reims, 403, 474, 477, 526, 531, 633, 880
   Hinnom, 355*
   Hipparchus, 242
   Hippo, 38, 67, 74, 289
   Hippocrates, 121, 240, 408, 910, 912, 923, 1070
   Hippodrome, Constantinople, 5, 6, 14, 105
   Hira, 157, 171, 188, 189
   Hisham, 195, 263, 292, 303
   Hisham II, 294, 306
   Hisham III, 296
   Hisham, ibn, 237
   Histoire de St. Louis (Joinville), 1020-1021
   Historia Britonum (Geoffrey), 1019, 1045
   Historia calamitatum mearum (Abélard), 937, 942, 944
   Historia ecclesiastica (Ordericus Vitalis), 1019
   Historia rerum in partibus transmarinus gestarum (William of Tyre), 1020
   historians, 125-126, 305, 319, 429, 495, 501, 698, 795, 804, 987, 991, 1015, 1084
   Byzantine, 312
   French, 697, 1020
   Latin, 1019
   Moslem, 237-239, 302, 304
   history, 73, 249, 315, 329, 333, 343, 352, 368, 372, 438, 478, 497, 807, 808, 894, 1015, 1016, 1022, 1083, 1084
   Biblical, 1032
   Egyptian, 285
   European, 1020
   fictional, 1019
   Islamic, 1020
   monastic, 804
   Norse, 1032
   Spanish, 698
   History of Animals (Aristotle), 912
   History of the Church (Socrates), 125
   History of the Franks (Gregory), 94
   History of the Goths (Cassiodorus), 99
   History of India (al-Biruni), 243-244
   History of the Jewish Kings in the Second Commonwealth (Abraham ibn David), 407
   History of Latin Christianity (Milman) 694*
   History of the Lombards (Paul the Deacon), 451
   History Against the Pagans (Orosius), 30
   History of the Philosophers (al-Qifti), 322
   History of the Roman Empire (Zosimus), 125
   Hitler, Adolf, 480, 759
   Hittin, 597, 598
   Hobbes, Thomas, 253, 1082
   “hocus-pocus,” 749*
   Hohenstaufens, 594, 661, 665, 726, 816
   Holinshed, Raphael, 674
   Holland, 473, 663, 886
   Holy Ghost, 528, 529, 739, 950
   Holy Grail, 1019, 1045, 1046, 1047-1048
   Holy Land, 54, 343, 602, 606, 612, 792
   Holy Lavra, monastery of, Mt. Athos, 530
   Holy Roman Empire, 468, 469-470, 479-480, 511, 512, 687, 690, 698, 707, 726, 1062
   Holy Sepulcher, 147, 389, 585, 587, 1028
   Church of, 228, 440, 716
   Holy Week, 385, 393, 752, 896
   holydays, 358-359, 402, 559, 751, 841, 863
   Holyrood, 683
   Homer, 10, 33, 268, 325, 507, 975, 1044, 1070
   homes, 271-272, 382, 420, 432, 643, 680-681, 786, 835-839, 847
   for the aged, 433
   homosexuality, 113, 220, 341, 821
   Horns, see Emesa
   honor, 360, 563, 575, 578, 701, 829, 1084
   Honoratus, St., 57
   Honoria, 40, 41
   Honorius I, Emperor, 26-28, 29, 31, 33, 35-37, 41, 56, 64, 67, 70, 80, 126
   Honorius I, Pope, 383, 524-525
   Honorius III, Pope, 479, 715, 716, 764, 775, 799, 803, 846, 956
   Honorius, Bishop of Autun, 994, 1055
   Horace, 323, 915, 1018, 1070, 1085, 1086
   Horairah, Abu, 173
   Hormizd II, 143
   Hormizd IV, 146
   horns, hunting, 840
   horoscopes, 988
   horse racing, 433, 840
   horses, 157, 298, 559
   bronze, 455
   hospices, 78, 433, 693, 839, 921-922, 927
   Hospitalers, 593, 597, 598, 601, 602, 610, 713
   hospitality, 379, 495, 518, 818, 839
   hospitals, 78, 246, 293, 311, 330, 379, 433, 435, 531, 636, 652, 693, 785, 807, 831, 837, 998, 1001-1002
   European, 1084
   foundling, 330, 824
   leper, 794, 1002
   hostages, 723, 724
   Hôtel-Dieu, Paris, 921
   houris, 179, 185
   hours, canonical, 807
   of labor, 647, 864
   House of Lords, 676*
   “House of Wisdom,” Baghdad, 240, 911
   Hrothgar, 490
   Hroswitha, 515, 1027
   Hruodland, see Roland
   Hubert de Romans, 768
   Hugh de Balsham, Bishop of Ely, 926
   Hugh, Abbot of Cluny, St., 537
   Hugh Capet, 475, 479-480, 540
   Hugh, Cardinal, 548
   Hugh the Great, 475
   Hugh of Lincoln, St., 392
   Hugh de Payens, 593
   Hugh Primas, 1025
   Hugh of St. Victor, 750, 808, 958
   Hulagu, 310, 340
   humanism, 719, 724, 894, 1086
   Humboldt, Alexander von, 1005
   Hume, David, 332, 817, 931, 983
   Humiliati, 769
   humility, 803, 1006-1007, 1060, 1075
   humor, 786, 838, 934, 1029, 1055, 1067
   Hunain ibn Ishaq, 240, 246, 910, 911
   Hundred Years’ War, 90, 565, 882, 894
   Huneric, 41
   Hungary, 37, 38, 43, 387, 444-445, 513, 535, 537, 603, 607, 612, 622, 658-659, 663, 664, 760, 762, 801, 810, 864, 892, 903
   Huns, 4, 24, 25, 26, 36, 38-41, 80, 339, 443, 445, 446, 579, 614, 659, 906, 1035
   Kotrigur, 116
   White, 144
   Hunt, Leigh, 261
   hunting, 505, 666, 691, 720, 786, 840, 1005
   husbandry, 702, 925, 1005
   Husein, son of Ali, 193, 217, 228, 252
   Hushiel, Rabbi, 269
   Husri, 307
   Huss, John, 74, 784, 1082
   hydromancy, 987
   hygiene, 356, 409, 807, 835, 1001, 1003
   “Hymn to a King’s Son,” (Julian), 15
   hymns, 264, 384, 476, 749-751, 895, 896, 1026, 1027, 1085, 1086
   Hypatia, 61, 62, 122-123, 125, 319
   Hypatius, 105-106
   Hywel the Good, 496
   Iacobus de Mandra, 916, 918
   Iacopo d’Alemannia, 888
   Iacopo da Lentino, 1056
   Iacopo de Vorágine, 1022
   Iamblichus, 9
   Iblis, 177, 1068
   Ibrahim ibn al-Mahdi, 280
   Ibrahim, son of Mohammed, 172
   Ibrahim, son of Walid I, 195
   Iceland, 81, 447, 497, 502, 504, 506, 507, 508, 509, 510, 666, 899, 1031-1036
   iconography, Byzantine, 134
   Iconoclasts, 425-427, 437, 439, 441, 528, 845, 846, 853, 858
   Id al-Fitr, 215
   Ideal City (al-Farabi), 253
   idolatry, 261, 270, 274, 410, 732
   Idrisi, 229, 230, 329, 703, 704
   Ifriqiya, 283, 285
   ignorance, 96, 442, 470, 579, 1015, 1083
   Île de France, 480-481, 869, 876, 882
   Iliad (Homer), 1
34, 269, 270, 1081
   illiteracy, 465, 578, 788, 801, 908
   Illuminati, 289
   illumination, 133-134, 277, 278, 466, 492, 499, 501, 853
   Illyricum, 3, 86, 446
   images, 356, 425-428, 467, 524, 527, 528, 531, 769, 846, 858
   Imago mundi (Pierre d’Ailly), 1010
   imam, 213
   Imans, 217, 261, 265, 284
   Immaculate Conception, 747, 973*
   immigration, 371, 446, 660, 683
   immorality, 547, 764, 784, 806, 946
   immortality, 324, 331, 332, 355, 407, 413, 415, 478, 954-955, 959, 964*, 971, 981, 1057, 1068
   immunities, clerical, 671, 927
   imprisonment, 113-114, 393, 431, 473, 568, 676, 722, 777, 781, 782, 783
   Imru’lqais, 159
   In Praise of Baldness (Synesius), 61
   In Praise of the Blessed Virgin Mary (Albertus Magnus), 961
   incantations, 416, 417, 742, 985
   Incarnation, 735, 933, 964, 980, 1069
   incest, 416, 528, 822, 824
   income, 465, 765, 767, 813
   incontinence, 460, 541, 1075, 1076
   incubation, artificial, 994
   independence, 293, 472, 637, 699, 701
   Index of Forbidden Books, 163
   Index of the Sciences (al-Nadim), 238
   India, 49, 108, 118, 119, 134, 138, 140, 143, 145, 150, 156, 157, 161, 203, 204, 206, 208, 219, 230, 231*, 238, 241, 242, 243, 244, 245, 258, 270, 271, 272, 273, 279, 282, 285, 310, 326, 343, 376, 397, 542, 616, 910, 989, 992, 1010, 1054, 1082
   north, 156*
   northwest, 196
   India (al-Biruni), 242
   Indian Ocean, 119, 283, 404
   individualism, 195, 365, 810, 854
   individuation, principle of, 968-969, 977, 981
   “Indo-European” peoples, 156*
   inductive method, 981
   indulgences, 611-612, 621, 739-740, 753, 760, 764, 767, 774, 784, 863, 945
   Indus River, 144, 196, 244, 339
   Industrial Revolution, 560, 637
   industry, 298, 308, 315, 371, 375, 429, 432, 445, 454, 456, 487, 552, 560, 565, 621-625, 642, 649, 652, 685, 686, 696, 710, 712, 731, 767, 816, 845, 915, 949, 975, 976, 1015
   Aragonese, 701
   Byzantine, 435, 436
   English, 669
   Flemish, 613
   of Florence, 728
   Islamic, 207
   Italian, 613
   of monks, 753
   Persian, 140
   socialistic, 792
   treatise on, 359
   Venetian, 710
   Ine, King, 634
   Ineffabilis amor (Boniface VIII), 813
   infanticide, 76-77, 180, 504, 505, 824, 844
   infection, 357, 1001, 1003
   Inferno (Dante), 1067, 1068, 1076
   infinity, 977
   inflections, 903-904
   Ingeborg, wife of Philip II, 689
   Ingelheim, 466, 473, 476
   inks, 906
   colored, 852
   inlay, 287, 848, 849, 908
   Innocent I, St., 69-70
   Innocent II, 702, 707, 756, 760, 791, 946-947
   Innocent III, 74, 377, 388, 469, 541, 546, 551, 567, 568, 602, 603, 604, 605, 606, 617, 631, 632, 659, 674, 675, 677, 689, 698, 708, 714-715, 716, 758, 759, 761-764, 767, 770, 771, 773, 774, 775, 777, 778, 779, 792, 793, 798, 799, 801, 805, 806, 808, 811, 817, 825, 843, 897*, 920, 955, 1002, 1085
   Innocent IV, 388, 607, 608, 612, 632, 652, 658, 723-725, 759, 765, 781, 817, 850, 919, 925, 993
   Inns of Court, 924
   Inquisition, 388, 402, 410, 416, 676, 680, 692, 721, 755, 764, 765, 769-784, 785, 802, 803, 816, 956, 958, 986, 988, 1000, 1083
   insane, 330, 1002
   Institutes (Justinian), 699
   Institutiones (Tribonian et al.), 112
   Institutiones divinarum (Cassiodorus), 99
   instruments, 901, 1008, 1010
   astronomical, 305, 991
   musical, 279-280, 342, 499, 901
   surgical, 1001
   insurance, 629, 635
   disability, 766
   intarsia, 849
   interdict, 639, 671, 675, 689, 707, 716, 723, 727, 755-756, 762, 763, 774, 812
   interest, 436
   forbidden, 377, 378, 631
   on loans, 627, 628, 630-633, 975
   rates, 120, 385, 632
   remission of, 377
   intestines, burning of, 1003
   intolerance, 373, 387, 784, 1083
   intoxication, 323, 837
   intubation, 1001
   Introduction to the Categories of Aristotle (Porphyry), 99
   Introduction to the History of Science (Sarton), 239*
   invasions, 290, 293, 456, 492, 560, 579, 775, 843, 913
   Anglo-Saxon, 533
   barbarian, 444, 453, 510, 633, 727, 728, 854, 895, 984
   of Britain, 501
   Danish, 483, 486, 492
   Germanic, 497, 499, 532, 552
   Lombard, 451, 453, 520
   Mongol, 653, 654, 657, 658, 1003
   Moslem, 458
   Norman, 472, 552, 626
   Pict, 501
   inventions, 1010, 1015
   investiture, 513-514, 546-548, 564, 661, 760, 551
   Iona, 499, 532, 534
   Ionic order, 128, 129
   Iran, see Persia
   Iraq, 136, 152, 157, 188, 191, 192, 207, 210, 226, 227, 232, 317, 348, 366, 397
   Ireland, 80, 81, 82-84, 89, 447, 465, 466, 473, 493, 495, 496-501, 502, 510, 534, 670, 675, 681-683, 735, 748, 761, 832, 841, 984, 992
   Irene, Empress, 197, 198, 200, 427, 827
   Irnerius, 630, 754, 916
   iron, 847, 848
   irrigation, 202, 206, 646
   Isa, Ali ibn, 246
   Isaac I Comnenus, 431
   Isaac II Angelus, 603, 604
   Isaac the Blind, 417
   Isaac ibn Ezra, 397, 398
   Isaac Israeli, 403, 405, 911, 963, 1006
   Isaac Judaeus, 910
   Isaac ben Meir, 401
   Isaac ben Mordecai, 404
   Isaac of Cordova, St., 301
   Isaac of Syria, St., 62
   Isaiah, 176, 965
   Book of, 398
   Isabel of Gloucester, 674
   Isabel, St., Queen of Portugal, 702
   Isabella II, Queen of Spain, 315
   Isabella of Angoulême, 674
   Isabella, wife of Frederick II, 719
   Isabella, wife of Philip II, 687
   Isabelle, wife of Edward II, 90
   Isbahan ibn Qara, 331
   Isauria, 425
   Iseult, 1049
   Isfahan, 148, 203, 232, 248, 263, 294, 309, 312, 384, 385
   Isfahani, al-, 263, 294
   Ishaq, Hunain ibn, 240, 246, 910, 911
   Ishaq, son of al-Mawsili, 280
   Ishaq, Muhammad ibn, 163, 237
   Isidore, architect, 130, 131*
   Isidore of Seville, 95-96, 738, 907, 1077
   Isidorus Mercator, 525
   Isis, 75, 746
   Islah al-majisti (ibn Aflah), 329
   Islam, 122, 137, 151, 153-344, 347, 356, 366, 367, 372, 375, 393, 402, 403, 405, 408, 414, 431, 432, 434, 450, 454, 465, 468, 529, 530, 554, 586, 594, 603, 607, 610, 612, 613, 614, 616, 617, 622, 642, 651, 652, 654, 655, 721, 738, 769, 798, 831, 840, 901, 906, 913, 919, 932, 955, 966, 977, 982, 984, 987, 989, 991, 999, 1023, 1054, 1068
   Eastern, 210, 235-281, 317, 319, 320, 338, 368, 405, 442, 989
   Spanish, 241, 291-307
   Western, 282-307, 334
   Ismaili doctrine, 261, 262, 282, 289, 309
   Isolde, 1037
   Israel, 161, 229, 353, 355, 364, 366, 396, 398-399, 410
   Eastern, 411
   Israfel, 178
   Istakhr, see Persepolis
   Italica, 96
   Italian-Byzantine school, 855
   Italians, 241, 606, 628, 817
   Italy, 3, 4, 11, 19, 22, 25, 26, 27, 28, 29, 30, 35, 36, 37, 38, 40, 41, 42-43, 47, 55, 56, 57,
 80, 83, 86, 97, 98, 99, 100, 107, 109, 110-111, 114, 115, 116, 117, 128, 130, 132, 145, 147, 208, 209, 236, 264, 342, 349, 369, 376, 383, 384, 387, 393, 397, 403, 404, 423, 426, 443, 444, 445, 450, 451-458, 402, 464, 466, 473, 491, 510, 511-513, 515, 519, 520, 528, 530, 531, 537, 539, 547, 549, 550, 552, 553, 554, 563, 571, 575, 578, 586, 615, 616, 619, 622, 624, 627, 632, 633, 638, 642, 646, 648-649, 651, 661, 662, 663, 664, 665, 694, 697, 705, 725-727, 762, 766, 769, 771, 774, 779, 782, 783, 788, 791, 792, 798, 799, 808, 809, 812, 831, 840, 841, 847, 851, 854, 856, 862, 870, 876, 882, 887-890, 892, 894, 901, 903, 904-905, 906, 908, 913, 916, 919, 920, 932, 945, 951, 958, 961, 963, 990, 991, 1001, 1003, 1006, 1039, 1042, 1044, 1045, 1056, 1057, 1062, 1063, 1074, 1080, 1081
   Byzantine, 845
   central, 290, 451, 452, 525, 830, 888
   eastern, 451, 553
   Greek, 544
   Norman, 431, 452-453, 703-705
   northern, 514, 520, 550, 553, 554, 638, 724, 783, 801, 809, 888, 956, 1057, 1062
   Ostrogothic, 97-102
   pre-Renaissance, 703-731
   Renaissance, 187, 249, 341, 1085, 1086
   southern, 290, 403, 432, 440, 443, 554, 621, 663, 664, 716, 725, 761, 783, 831, 832, 912, 919, 956, 998
   Ither, 1048
   Itil, 446, 447
   Itinerarium mentis in Deum (Bonaventura), 959
   Ivan-i-Kharka, 148
   Ivo, St., Bishop of Chartres, 806, 914
   ivory, 133, 846, 847, 849
   Iwein (Chrétien), 1049
   Jabrites, 217
   Jacob ben Machir Tibbon, 415
   Jacob ben Meir, 410
   Jacob ibn Ezra, 397
   Jacob ibn Tibbon, 910
   Jacopone da Todi, 750, 897*
   Jacqueries, 869
   Jacques de Vitry, 768, 927
   Jafar, 199, 207, 233, 278
   Mosque of, 273
   Jafariya, 201
   Jaffa, 592, 600, 601, 607, 608
   Jagatai, 339
   Jahiz, Othman Amr al-, 245
   Jahwar, ibn, 296
   Jaime I, see James I
   Jalubi, 315
   James I, King of Aragon, 373, 402, 404, 698-699, 701, 783
   James II, King of Aragon, 979, 1000
   James, St., 458
   bones of, 752
   Jamshid, 269
   Janda, Lake, 97
   Japan, 140, 149, 263, 272, 910, 993
   Japheth, 370*
   Jarrow, 483, 488
   Jassas, ibn al-, 209
   Jauhar, 286
   Jean de Meung (Clopinel), 944, 1052-1053, 1055
   Jean d’Orbais, 880
   Jean le Texier, 878, 879
   Jean Petit, 952
   Jeanne of Navarre, 647
   Jeanne of Toulouse, 776
   Jehuda Halevi, see Khazari, al-
   Jehuda Hanasi, 211, 351, 352*, 364
   Jehuda ibn Daud Chayuj, 396
   Jehuda ibn Ezra, 373
   Jenghiz Khan, 339-340, 655
   Jerome, St., 45, 57-55, 57, 59, 69, 72, 78, 135, 348, 522, 526, 901, 908, 1018
   Jerome of Ascoli, 1014
   Jerusalem, 45, 59, 132, 147, 151, 156, 166, 169, 183, 185, 190, 194, 216, 218, 228, 229, 230, 270, 273, 285, 289, 319, 338, 341, 348, 350, 355*, 359, 366, 385, 389, 399, 424, 431, 440, 458, 469, 585, 586, 590, 591, 592, 593, 595, 597, 598, 600, 601, 602, 607, 608, 715, 716, 752, 754, 865, 874, 909, 1019, 1044, 1068