- France--Orléanais1
- French letters1
- Gothic scripts5
- Graduals (Chants)1
- Graduals (Liturgical books)1
- Great Britain1
- Gregorian chants5
- Historiated initials3
- History2
- Holy Week music1
- Illumination of books and manuscripts9
- Illumination of books and manuscripts, Flemish1
- Illumination of books and manuscripts, French3
- Illumination of books and manuscripts, German2
- Illumination of books and manuscripts, Medieval1
- Initials7
- Isidore, of Seville, Saint, -636. Etymologiae1
- Islamic illumination of books and manuscripts1
- John, the Apostle, Saint--Illustrations1
- Justinian I, Emperor of the East, 483?-5651