- House furnishings1
- Human anatomy1
- Humanism1
- Humorous poetry, German1
- Hybrid books1
- 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 Yūsuf al-Ṣafī, Muḥammad, 1421-14871
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʼīyah1
- 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
- Ibn al-ʻArabī, 1165-12401
- Ibn ʻUmrān, Muḥammad ibn Mūsá, 1392-14691
- Ibn Ḥijjah al-Ḥamawī, Taqī al-Dīn Abū Bakr ibn ʻAlī, -1434. Badīʻīyat1
- Illumination of books and manuscripts, Italian1
- Illustrated works1
- Ink1
- Inquisition1
- Interdict (Canon law)1