Columbia subject headings:
Architecture--Germany--Berlin--Guidebooks.
Architecture--Germany--Potsdam (Bezirk)--Guidebooks.
Art--Germany--Berlin--Guidebooks.
Art--Germany--Potsdam (Bezirk)--Guidebooks.
Harvard subject headings:
Architecture--Germany--Berlin--Guidebooks
Architecture--Germany--Potsdam (Bezirk)--Guidebooks.
Art--Germany--Berlin--Guidebooks.
Art--Germany--Potsdam (Bezirk)--Guidebooks.
Princeton subject headings:
Architecture--Germany--Berlin--Guidebooks.
Architecture--Germany--Potsdam (Bezirk)--Guidebooks.
Art--Germany--Berlin--Guidebooks.
Art--Germany--Potsdam (Bezirk)--Guidebooks.
Guidebooks.