Keywords
- musical notation2
- rubrics2
- vellum (parchment)2
- Antiphonaries1
- Cornerpieces (Furniture)1
- Graduals (Chants)1
- Graduals (Liturgical books)1
- Gregorian chants1
- Gregorian chants--Manuscripts1
- Historiated initials1
- Illumination of books and manuscripts, Italian1
- Massachusetts--Williamstown1
- Musical notation1
- Service books (Music)1
- Spain1
- Wooden boards1
- bosses (components)1
- choirbooks1
- illuminated manuscripts1
- liturgical texts1