- Historical geography2
- History--Philosophy2
- Home economics--Accounting2
- Homosexuality--Religious aspects--Islam2
- Horsemanship--Equipment and supplies2
- Hospital care2
- Housing2
- Human anatomy2
- Humor2
- Hus, Jan, 1369?-14152
- Hygiene2
- Hymns, Hebrew2
- Hymns, Latin (Medieval and modern)2
- Hymns, Syriac2
- Ibadites2
- Ibn Qaḍīb al-Bān, ʻAbd Allāh ibn Muḥammad, -1684 or 1685. Dālīyah2
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm2
- Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-13282
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʼīyah2
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Lumaʻ al-yasīrah fī ʻilm al-ḥisāb2