- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Tahdhīb al-wuṣūl ilá ʻilm al-uṣūl5
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 1295. Majmaʻ al-baḥrayn5
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar5
- Illumination of books and manuscripts, Indic5
- India--Jammu and Kashmir5
- India--Tirupati5
- Indonesia--Java5
- Indulgences5
- Initiation rites--Religious aspects--Hinduism5
- Insertions (Production)5
- Interest (Islamic law)5
- Isabella I, Queen of Spain, 1451-15045
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ5
- Islamic funeral rites and ceremonies5
- Islamic legends5
- Israel--Tsefat5
- Italy--Asti5
- Italy--Città di Castello5
- Italy--Genoa5
- Italy--Livorno5