Keywords
- Kekchi language1
- Liturgical books1
- Manuscripts, Armenian1
- Manuscripts, Medieval1
- Manuscripts, Spanish1
- Mary, Blessed Virgin, Saint1
- Massachusetts--Boston1
- Motets1
- Music1
- Music--Manuscripts1
- New York (State)--Buffalo1
- Papal legates1
- Part books1
- Pigskin bindings1
- Poetry1
- Prayers1
- Psalters1
- Saints1
- Sequences (Liturgy)1
- Songs and music1