Columbia subject headings:
Catholic Church--Switzerland--Chur--Liturgy--History.
Chur (Switzerland)--Religious life and customs.
Rituals (Liturgical books)--Switzerland--Chur--History.
Harvard subject headings:
Catholic Church--Liturgy--History.
Catholic Church. Ritual (Chur)--History.
Princeton subject headings:
Catholic Church--Liturgy--Switzerland--Chur.
Catholic Church--Liturgy--Switzerland--History.
Liturgies--Catholic Church--History.