Columbia subject headings:
Architecture--Germany--Berlin--Guidebooks.
Berlin (Germany)--Buildings, structures, etc.--Guidebooks.
Harvard subject headings:
Architecture--Germany--Berlin--Guidebooks
Berlin (Germany)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings:
Architecture--Germany--Berlin--Guidebooks.
Berlin (Germany)--Buildings, structures, etc.--Guidebooks.
Guidebooks.