- Hygiene4
- Hymns, Hebrew4
- Ibn Malak, ʻAbd al-Laṭīf ibn ʻAbd al-ʻAzīz. Sharḥ Manār al-anwār fī uṣūl al-fiqh4
- Ibn Wahbān, ʻAbd al-Wahhāb ibn Aḥmad, d. 1366 or 7. Qayd al-sharāʼid4
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 5. Majmaʻ al-baḥrayn wa-multaqá al-nayyirayn4
- Illumination of books and manuscripts, Medieval4
- Indulgences4
- Inference4
- Initials4
- Insertions (Provenance)4
- Introductions4
- Iran--Mashhad4
- Iran--Tabrīz4
- Iran--Tehran4
- Iraq--Karbalāʼ4
- Isabella I, Queen of Spain, 1451-15044
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Ḍawʼ ʻalá al-Miṣbāḥ4
- Islamic heresies4
- Islamic literature4
- Italian language4