- Hymns, Kekchi1
- Hymns, Latin1
- Hymns, Latin (Medieval and modern)15
- Hymns, Syriac1
- Hymns--Devotional use1
- Ibn Ghāzī, Muḥammad ibn Aḥmad, 1437 or 1438-1513. Munyat al-ḥussāb1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Muqniʻ fī ʻilm al-jabr wa-al-muqābalah1
- Ibn Ḥijjah al-Ḥamawī, Taqī al-Dīn Abū Bakr ibn ʻAlī, -1434. Badīʻīyah1
- Ildephonsus, Saint, approximately 610-6671
- Illumination of books and manuscripts29
- Illumination of books and manuscripts, French2
- Illumination of books and manuscripts, Gothic1
- Illumination of books and manuscripts, Indic5
- Illumination of books and manuscripts, Iranian15
- Illumination of books and manuscripts, Italian5
- Illumination of books and manuscripts, Medieval6
- Illumination of books and manuscripts, Renaissance1
- Impediments to marriage1
- Incarnation1
- Indexes1