Columbia subject headings:
Cathedrals--Switzerland--Zurich.
Catholic Church--Liturgy--Texts.
Zurich (Switzerland)--Church history.
Harvard subject headings:
Catholic Church--Liturgy--Texts.
Catholic Church--Switzerland--Zürich--Liturgy--Texts.
Grossmünster (Zurich, Switzerland)
Ordinals (Liturgical books)
Zurich (Switzerland)--Church history.
Princeton subject headings:
Catholic Church--Liturgy--Texts.
Catholic Church--Switzerland--Zurich--Liturgy--Texts.
Grossmünster (Zurich, Switzerland)
Ordinals (Liturgical books)
Zurich (Switzerland)--Church history.