- Headgear--Religious aspects--Islam1
- Hemorrhoids1
- Heraldry1
- Herbs1
- Hermeneutics1
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)4
- Hieron I, Tyrant of Syracuse, -467 B.C. or 466 B.C.1
- Historical geography1
- Historiography1
- History32
- 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 Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Ṣaghāʼir wa-al-kabāʼir1
- Ibn Quṭlūbughā, al-Qāsim ibn ʻAbd Allāh, 1399 or 1400-1474 or 1475. Ḥawālah1