- Geography, Medieval2
- Germany--Hamburg2
- Grace at meals--Judaism2
- Hadith--Texts2
- Haftarot2
- Hamza Efendi, active 17th century. Risālah fī ḥaqq al-bayʻ wa-al-shirāʼ2
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh2
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr2
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar2
- Imamate2
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām2
- India--Hyderabad2
- Intercessory prayer--Judaism2
- Interfaith relations2
- International relations2
- Iran--Iṣfahān2
- Iran--Tehran2
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)2
- Iskandarnāmah (Niẓāmī Ganjavī)2
- Islam--Miscellanea--Early works to 18002