Columbia subject headings:
Architecture--Germany--History--20th century.
Baumgarten, Paul, 1900-1984.
Harvard subject headings:
Architecture--Germany--Berlin--20th century.
Architecture--Germany--Berlin--History.
Baumgarten, Paul, 1900-1984.
Berlin (Germany)--Buildings, structures, etc.
Functionalism (Architecture)--Germany--Berlin.
Princeton subject headings:
Architecture, Modern--20th century--Germany--Berlin.
Baumgarten, Paul, 1900-1984.
Berlin (Germany)--Buildings, structures, etc.
Functionalism (Architecture)--Germany--Berlin.