Keywords
- Pentecost1
- Poland5
- Polish (culture)5
- Portugal2
- Portuguese2
- Prayers and devotions11
- Processionals (Liturgical books)1
- Protogothic1
- Sacred vocal music11
- Sequences (Liturgy)1
- Sequences (Music)2
- Service books (Music)6
- Service books (Music)--Catholic Church7
- Seventeenth century1
- Sixteenth century23
- Songbooks1
- Songs and music1
- Spain5
- Specimens2
- Texts19