- Hotelkeepers1
- Hotels1
- Households1
- Hugh, of Cluny, Saint, 1024-11091
- Hugh, of Lincoln, Saint, 1140-12001
- Hundred Years' War (1339-1453)1
- Hungary1
- Hunting1
- Hunting customs1
- Iceland1
- Idra rabba1
- Idra zuta1
- Ildephonsus, Saint, approximately 610-6671
- Ildobrandini, Geronimo1
- Illegible markings1
- Illumination of books and manuscripts, Carolingian1
- Illumination of books and manuscripts, Dutch1
- Illumination of books and manuscripts, English1
- Illumination of books and manuscripts, Mexican1
- Immortality1