Keywords
- Good Friday--Liturgy1
- Graduals1
- Graduals (Liturgical books)1
- Gregorian chants--Manuscripts1
- Holy Week music1
- Latin language1
- Leather bindings1
- Lectionaries1
- Manuscripts1
- Music1
- Pentecost1
- Prayers1
- Protogothic1
- Spain1
- Specimens1
- Vellum wrappers1
- Wrappers1
- detached leaves1
- devotional calendars1
- service books (religious texts)1