Columbia subject headings:
Harvard subject headings:
Catholic Church--Liturgy.
Cities and towns--Religious aspects--Christianity
Liturgies, Early Christian--History.
Orthodox Eastern Church--Liturgy.
Stational liturgies--Italy--Rome.
Stational liturgies--Jerusalem.
Stational liturgies--Turkey--Istanbul.
Stational liturgies.
Worship--History
Princeton subject headings:
Liturgical adaptation.
Liturgics, Early Christian.