- Hadith--Texts1
- Half bindings1
- Harawī, ʻUmar, active 13th century. Hārūnīyah fī al-taṣrīf1
- Headgear--Religious aspects--Islam1
- Hemorrhoids1
- Heraldry1
- Hieron I, Tyrant of Syracuse, -467 B.C. or 466 B.C.1
- Historical geography1
- History--Philosophy1
- Horn (Musical instrument)1
- Horology1
- Horsemanship1
- Horses1
- Hymnals1
- Ibn Barrī, ʻAbd Allāh, 1106-11871
- Ibn Maʻṣūm, ʻAlī ibn Aḥmad, 1642-approximately 1707. Badīʻīyah1
- Ibn Wahbān, ʻAbd al-Wahhāb ibn Aḥmad, -1366 or 1367. Qaʼid al-sharāʼid wa-naẓm al-fawāʼid1
- Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-hazalīyah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Lumaʻ al-yasīrah fī ʻilm al-ḥisāb1
- Ibn al-Jawharī, Muḥammad ibn Aḥmad, 1738 or 1739-1800 or 18011