Columbia subject headings:
Architecture--Germany--Munich--History--20th century.
Munich (Germany)--Buildings, structures, etc.
Subway stations--Germany--Munich.
Harvard subject headings:
Architecture, Modern--20th century--Germany--Munich.
Architecture--Germany--Munich--History--20th century
Architecture--Germany--Munich--History.
Munich (Germany)--Buildings, structures, etc.
Subway stations--Germany--Munich.
Subways--Germany--Munich.
Princeton subject headings:
Architecture, Modern--20th century--Germany--Munich.
Munich (Germany)--Buildings, structures, etc.
Subway stations--Germany--Munich.