- Homiliaries4
- Hoshana Rabba sermons4
- Hungary4
- Hymns, Latin4
- Hymns, Latin (Medieval and modern)4
- Hymns, Syriac4
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah4
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Tahdhīb al-wuṣūl ilá ʻilm al-uṣūl4
- Ibn al-Uqlīshī, Aḥmad ibn Maʻadd, -1155 or 11564
- Ijtihād (Islamic law)4
- Indexes4
- Inheritance and succession (Jewish law)4
- Inscriptions, Arabic4
- Intention--Religious aspects--Islam4
- Iraq--Baghdad4
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)4
- Isabella I, Queen of Spain, 1451-15044
- Israel--Tsefat4
- Istiṣḥāb (Islamic law)4
- Italian language4