- Haydajī, Muḥammad ʻAlī, -1927 or 19281
- Headgear--Religious aspects--Islam1
- Hinduism--Doctrines1
- Historical geography1
- History--Philosophy1
- Holding: University of Pennsylvania1
- Homosexuality--Religious aspects--Islam1
- Horology1
- Hospitals1
- Human-animal relationships1
- Hygiene1
- Hārūn al-Rashīd, Caliph, approximately 763-8091
- Ibn Abī al-Rijāl, ʻAlī, 1015 or 1016-1062 or 1063. Dalālah al-kullīyah ʻan al-ḥarakāt al-falakīyah1
- Ibn Barrī, ʻAbd Allāh, 1106-11871
- Ibn Fahd, Aḥmad ibn Muḥammad, 1356 or 1357-1437 or 1438. Ghāyat al-ijāzah1
- Ibn Faraḥ, Aḥmad ibn Muḥammad, -1300. Manẓūmah al-Ishbīlīyah1
- Ibn Malak, ʻAbd al-Laṭīf ibn ʻAbd al-ʻAzīz. Mabāriq al-azʹhār fī sharḥ Mashāriq al-anwār1
- Ibn Maʻṣūm, ʻAlī ibn Aḥmad, 1642-approximately 1707. Badīʻīyah1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Iʻjāz al-taʻrīf fī ʻilm al-taṣrīf1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Sharḥ al-Kāfiyah al-shāfiyah1