- History116
- Horoscopes1
- Horses3
- Horses--Diseases1
- Houses (Astrology)1
- Human anatomy1
- Hunting1
- Hurufis2
- Hygiene1
- 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 Jumayʻ, Hibat Allāh ibn Zayn, -1198. Taṣrīḥ bi-al-maknūn fī tanqīḥ al-Qānūn1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm2
- Ibn al-Sarrāj, Aḥmad ibn Abī Bakr, active 14th century1
- 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
- Illinois--Chicago2
- Illumination of books and manuscripts4
- Illumination of books and manuscripts, Indic4
- Illumination of books and manuscripts, Iranian22