Keywords
- Christianity--Controversial literature1
- Controversial literature1
- Criticism and interpretation1
- Declination (Astronomy)1
- Devotional calendars1
- Devotional calendars--Catholic Church1
- Divine office1
- Divine office (Music)1
- Dominical letters1
- Fifteenth century1
- God (Islam)1
- Gothic cursive1
- Gothic scripts1
- Gregorian chants1
- Gregorian chants--Instruction and study1
- Handbooks and manuals1
- History1
- Hymns, Latin (Medieval and modern)1
- Inscriptions1
- Islamic countries1