Keywords
- Gregorian chants--Instruction and study1
- Gregory I, Pope, approximately 540-6041
- Guido, d'Arezzo1
- Half bindings1
- Heraldry1
- Hieronymites1
- Historiated initials1
- History--Sources1
- Holy Shroud1
- Holy Week1
- Holy Week music1
- Homiliaries1
- Hybrid books1
- Hymns, French1
- Illegible markings1
- In Coena Domini bulls1
- Inquisition1
- Insertions (Production)1
- Italy--Siena1
- Jesuits1