Keywords
- Germany1
- Gothic (Medieval)1
- Gregorian chants1
- Heraldry1
- History1
- Italian (culture or style)1
- Italy1
- Liturgical lessons1
- Manuscripts, Latin1
- Manuscripts, Nahuatl1
- Manuscripts, Renaissance1
- Marginalia1
- Massachusetts--Williamstown1
- Mexico1
- Musical notation1
- Nahuatl language1
- Service books (Music)--Catholic Church1
- Sources1
- Specimens1
- Thirteenth century1