- Hebrew language--Lexicography1
- Henry IV, King of Castile and Leon, 1425-14741
- Holy Shroud1
- Horoscopes1
- Horses--Diseases1
- Hospitals1
- Human anatomy1
- Humorous poetry, German1
- Hybrid books1
- Hymns, Latin1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -12741
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Iʻjāz al-taʻrīf fī ʻilm al-taṣrīf1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Sharḥ al-Kāfiyah al-shāfiyah1
- Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-1328. Jawāmiʻ al-kalim1
- Ibn Yūsuf al-Ṣafī, Muḥammad, 1421-14871
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʼīyah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Tuḥfat al-ṭullāb1
- Ibn al-Jarādiqī, Muḥammad ibn ʻAlī, approximately 1373-14571
- Ibn al-Murtaḍá, Aḥmad ibn Yaḥyá, 1363-1437. Miʻyār al-ʻuqūl fī ʻilm al-uṣūl1
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjiz1