- Hebrew philology1
- Henry I, King of Castile, 1204-12171
- Henry II, King of Castile, 1333-13791
- Herbals1
- Hilkhot sheḥiṭah (Maimonides, Moses)1
- History, Ancient1
- History, Modern1
- Home economics--Accounting1
- Honduras1
- Horsemanship--Equipment and supplies1
- Hotaki, Mir Mahmud, d. 17251
- Huguenots1
- Humanism1
- Humor1
- Humāmī, Aḥmad ibn Thābit, d. 1233 or 4. Ghunyat al-ḥussāb fī ʻilm al-ḥisāb1
- Hymnals1
- Hymns, Judeo-Arabic1
- Hymns, Latin1
- Ibn Quṭlūbughā, al-Qāsim ibn ʻAbd Allāh, 1399 or 1400-1474 or 1475. Ḥawālah1
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʾīyah1