Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Bavaria.
Art, German--Germany--Bavaria.
Art--Germany--Bavaria.
Church architecture--Germany--Bavaria.
Monuments--Germany--Bavaria.
Monuments--Germany--Oberpfalz und Regensburg--Guidebooks.
Princeton subject headings:
Architecture--Germany--Oberpfalz--Guidebooks.
Architecture--Germany--Regensburg (Landkreis)--Guidebooks.
Art--Germany--Germany--Oberpfalz--Guidebooks.
Art--Germany--Germany--Regensburg (Landkreis)--Guidebooks.
Church architecture--Germany--Oberpfalz--Guidebooks.
Church architecture--Germany--Regensburg (Landkreis)--Guidebooks.
Oberpfalz (Germany)--Guidebooks.
Regensburg (Germany : Landkreis)--Guidebooks.