Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Rhineland-Palatinate--Guidebooks.
Art--Germany--Rhineland-Palatinate--Guidebooks.
Rhineland-Palatinate (Germany)--Guidebooks.
Princeton subject headings:
Architecture--Germany--Rhineland-Palatinate--Guidebooks.
Art--Germany--Rhineland-Palatinate--Guidebooks.
Rhineland-Palatinate (Germany)--Guidebooks.