Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Germany--Regensburg.
Regensburg (Germany)--Antiquities.
Regensburg (Germany)--Church history.
Regensburg (Germany)--History
Princeton subject headings:
Excavations (Archaeology)--Germany--Regensburg.
Regensburg (Germany)--Antiquities.
Regensburg (Germany)--History.