Columbia subject headings:
Architecture--Designs and plans.
Architecture--Germany--Berlin--History--20th century.
Architecture--Germany--Berlin.
Harvard subject headings:
Architecture, Modern--20th century--Germany--Berlin.
Architecture--Designs and plans
Architecture--Germany--Berlin
Architecture--Germany--Berlin--History.
Princeton subject headings:
Architecture, Modern--20th century--Germany--Berlin.
Architecture--Designs and plans.
Architecture--Germany--Berlin.