- Hasidim1
- Hebrew letters1
- Hilarion, Saint, approximately 291-approximately 3711
- History, Ancient1
- History, Military1
- Hugh, of Lincoln, Saint, 1140-12001
- Humanists1
- Hārūn al-Rashīd, Caliph, approximately 763-8091
- Ibn Maʻṣūm, ʻAlī ibn Aḥmad, 1642-approximately 1707. Badīʻīyah1
- Ibn al-Bārizī, Hibat Allāh ibn Najm al-Dīn, 1247-13381
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
- Ibn al-Jawharī, Muḥammad ibn Aḥmad, 1738 or 1739-1800 or 18011
- Ibn al-Jawharī, Muḥammad ibn Aḥmad, 1738 or 1739-1800 or 1801. Arbaʻūn al-Jawharīyah1
- Ibn al-Jawzī, Abū al-Faraj ʻAbd al-Raḥmān ibn ʻAlī, approximately 1116-12011
- Ibn al-ʻArabī, 1165-1240. Works.--Selections1
- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḍawābiṭ al-taqṭīʻ1
- Ibn Ḥanbal, Aḥmad ibn Muḥammad, 780-8551
- Ildephonsus, Saint, approximately 610-6671
- Illustrated works1
- Imams (Shiites)1