- Heraldry1
- Herbals1
- Hermeneutics1
- Hindu astrology1
- Hindu astronomy1
- Hindu mythology1
- History, Military1
- Hoshana Rabba1
- Hoshana Rabba sermons1
- Hoshana Rabba--Liturgy1
- Hotaki, Mir Mahmud, d. 17251
- Human-animal relationships1
- Hygiene1
- Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-hazalīyah1
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādhdh al-mujtahidīn1
- Ibn al-Uqlīshī, Aḥmad ibn Maʻadd, -1155 or 11561
- Ijtihād (Islamic law)1
- Illumination of books and manuscripts, Arab1
- Illumination of books and manuscripts, Iranian1
- Imamate1