Iron, [80], [87], [94], [97], [102], [104], [168], [319], [321], [358], [359]

Irrigation, [290]

Isabella of Castile, Queen, [293], [302], [309]

Isaiah, [125], [133], [156]

Isis, [209], [210], [211], [212]

Islam, [251], [252], [432]

Islamism, [267], [319]. (See also Moslem, Muhammedanism)

Isocrates, [145]

Israel, judges of, [118]

Israel, kings of, [118], [119], [121]