Keywords
- Missal (Catholic Church)1
- Missals (Service books)1
- Monastic and religious life1
- Papal encyclicals1
- Papal legates1
- Penance1
- Pentecost1
- Piccolomini, Enea di Bartolomeo de1
- Piccolomini, Maddalena de1
- Printed waste1
- Processionals (Liturgical books)1
- Roman law1
- Rome (Empire)1
- Sacramentaries1
- Sacred vocal music1
- Sebastian, Saint1
- Sequentiaries1
- Service books (Music)--Catholic Church1
- Singing--Instruction and study1
- Switzerland1