Keywords
- Gregorian chants5
- Service books (Music)--Catholic Church5
- Books of hours4
- Graduals (Chants)4
- Liturgical books4
- Liturgies4
- Music4
- Neumes4
- Specimens4
- Glazed papers3
- Gothic scripts3
- Lectionaries3
- Music--Manuscripts3
- Protogothic3
- Arabic language2
- Bible2
- Bible. Psalms2
- Calligraphy2
- Christian saints2
- Devotional literature, Latin (Medieval and modern)2