- Hell--Islam1
- Henry II, King of France, 1519-15593
- Henry III, King of France, 1551-15891
- Henry IV, King of Castile and Leon, 1425-14744
- Henry VII, King of England, 1457-15091
- Henry VIII, King of England, 1491-15471
- Heraldry24
- Herbals1
- Heresy1
- Hermeneutics1
- Hertford, Katherine Seymour, Countess of, 1540-15681
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)18
- Hieronimus, Fabio2
- Hieronimus, Mario2
- Hilkhot sheḥiṭah (Maimonides, Moses)1
- Hindu astrology1
- Hindu astronomy1
- Hindu goddesses1
- Hindu hymns, Sanskrit1
- Hindu logic1