- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh1
- Ibn Faraḥ, Aḥmad ibn Muḥammad, -1300. Manẓūmah al-Ishbīlīyah1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm1
- Ibn al-ʻArabī, 1165-1240. Naqsh al-Fuṣūṣ1
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar1
- Ilāhʹābādī, Muḥibb Allāh. Taswīyah1
- India--Bharūch (District)1
- India--Carnatic1
- India--Delhi1
- India--Gujarat1
- India--Kolkata1
- India--Lucknow1
- India--Mandi (District)1
- India--Rampur (Uttar Pradesh)1
- India--Rohilkhand1
- India--Surat1
- Infantry drill and tactics1
- Iran--Arak1
- Iran--Hamadān1
- Iran--Mahābād1