Columbia subject headings:
Church buildings--Germany--Mainz (Rhineland-Palatinate)
Mainz (Rhineland-Palatinate, Germany)--Buildings, structures, etc.
St. Stephan in Mainz (Church)--History.
Harvard subject headings:
Mainz (Rhineland-Palatinate, Germany)--Church history.
St. Stephan in Mainz (Church)
Princeton subject headings:
Mainz (Rhineland-Palatinate, Germany)--Church history.
St. Stephan in Mainz (Church)