Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Oberpfalz.
Architecture--Germany--Regensburg.
Art, German--Germany--Oberpfalz.
Art, German--Germany--Regensburg.
Oberpfalz (Germany)--Description and travel.
Regensburg (Germany)--Buildings, structures, etc.
Regensburg (Germany)--Description and travel.
Princeton subject headings:
Art, German--Germany--Oberpfalz.
Oberpfalz (Germany)--Description and travel.