- Henry IV, King of Castile and Leon, 1425-14743
- Herbals3
- Hindu calendar3
- Hindu legends3
- Hindu poetry3
- Hiraṇyakaśipu3
- Historiography3
- Hoccleve, Thomas, 1370?-1450?3
- Home economics--Accounting3
- Hoshana Rabba--Liturgy3
- Hospitals, Medieval3
- Human anatomy3
- Hunting3
- Hymnals3
- Hymns, Hebrew3
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh3
- Ibn al-Muqrī, Ismāʻīl ibn Abī Bakr, 1354-1433 or 1434. Rawḍ al-ṭālib3
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjaz fī al-ṭibb3
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr3
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj3