- History--Sources1
- Homage (Feudal law)1
- House furnishings1
- Hugh, of Cluny, Saint, 1024-11091
- Hugh, of Lincoln, Saint, 1140-12001
- Humanists1
- Hundred Years' War (1339-1453)1
- Hydrology1
- Hymnals1
- Hymns, Latin (Medieval and modern)1
- Illinois--Chicago1
- Illumination of books and manuscripts1
- Illumination of books and manuscripts, Gothic1
- Incarnation1
- Inheritance and succession1
- Ink stamps1
- Insertions (Production)1
- International trade1
- James IV, King of Scotland, 1473-15131
- Jerome, Saint, -419 or 4201