Iberian peninsula, [52], [53], [100], [131].
ice age, [141].
Iliad, [105], [106], [112], [113].
India, [59], [82], [137], [141].
Indian dialects, [133].
Indo-European language, [79], [133].
Indo-Germanic language, [133].
Indo-Iranian languages, [158].
Indre, [99].
Indre-et-Loire, [35].