- Guido, Jacopo di1
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- Gurrea Pelliparinus, Johannes de1
- Guy of Warwick (Legendary character)--Romances1
- Hadith--Texts1
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- Hanbalites1
- Henry IV, King of Castile and Leon, 1425-14741
- Heraldry1
- Hilarion, Saint, approximately 291-approximately 3711
- Historia de regibus Gothorum, Vandalorum, et Suevorum (Isidore, of Seville, Saint)1
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- House of Burgundy, 1384-14771
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- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Sharḥ al-Kāfiyah al-shāfiyah1
- Illumination of books and manuscripts, French1