Columbia subject headings:
Architecture--Germany--Berlin--History--20th century--Guidebooks.
Architecture--Germany--Berlin--History--21st century--Guidebooks.
Berlin (Germany)--Buildings, structures, etc.--Guidebooks.
Harvard subject headings:
Architecture--Germany--Berlin--20th century--Guidebooks.
Architecture--Germany--Berlin--21st century--Guidebooks.
Architecture--Germany--Berlin--History--Guidebooks.
Berlin (Germany)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings: