- Hebrew poetry1
- Heilig-Geist-Spital (Eichstätt, Germany)1
- Hepay, Peter de, 13th century1
- Heraldry1
- Horses1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfīyah fī sharḥ al-Kāfīyah1
- Ibn al-Khabbāz, Aḥmad ibn al-Ḥusayn, 1193-1240. Kifāyah fī al-naḥw1
- Ibn al-Ṣābūnī, Muḥammad ibn ʻAlī, 1207 or 1208-1281 or 12821
- Illumination of books and manuscripts, Medieval1
- Imamate1
- Inheritance and succession1
- Iran--Ardabīl1
- Iran--Dizfūl1
- Iran--Iṣfahān1
- Iran--Shīrāz1
- Iraq--Baghdad1
- Islam1
- Islam and politics1
- Islam--Customs and practices1
- Islamic education1