Columbia subject headings:
Architects--Biography--History and criticism.
Architecture--Germany--Berlin--History--20th century.
Architecture--Germany--Berlin.
Berlin (Germany)--Buildings, structures, etc.
Harvard subject headings:
Architects--Biography--History and criticism.
Architecture--Germany--Berlin--20th century.
Architecture--Germany--Berlin--History.
Berlin (Germany)--Buildings, structures, etc.
Princeton subject headings: