- Hebrew poetry, Medieval2
- Heraldry2
- Herbals2
- Hieronymites2
- Historiated initials2
- History--Religious aspects2
- Hundred Years' War (1339-1453)2
- Hus, Jan, 1369?-14152
- Hybrid books2
- Hymnals2
- Hymns, Hebrew2
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 5. Majmaʻ al-baḥrayn wa-multaqá al-nayyirayn2
- Ibn al-Uqlīshī, Aḥmad ibn Maʻadd, -1155 or 11562
- Immortality2
- Inheritance and succession2
- Initials2
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubāb al-iʻrāb2
- Islam--Rituals2
- Islamic calendar2
- Islamic ethics2