Keywords
- Fifteenth century1
- Graduals (Chants)1
- Graduals (Liturgical books)1
- Gregorian chants1
- Hybrid books1
- Hymns, Armenian1
- Hymns, French1
- Hymns, Latin1
- Italy1
- Latin language1
- Liturgical books1
- Manuscripts, Armenian1
- Manuscripts, German1
- Manuscripts, Latin1
- Manuscripts, Spanish1
- Prayers1
- Psalters1
- Saints1
- Sequences (Liturgy)1
- Translations1