Columbia subject headings:
Architecture--Germany--Berlin--History--Congresses.
Berlin (Germany)--In literature--Congresses.
Geography in literature--Congresses.
German literature--20th century--History and criticism--Congresses.
Modernism (Aesthetics)--Germany--Berlin--Congresses.
Harvard subject headings:
Architecture--Germany--Berlin--History--20th century--Congresses.
Berlin (Germany)--Buildings, structures, etc.--Congresses.
Berlin (Germany)--Civilization--Congresses.
Berlin (Germany)--In literature--Congresses.
City planning--Germany--Berlin--History--20th century--Congresses.
German fiction--20th century--History and criticism--Congresses.
German literature--20th century--History and criticism--Congresses
Modernism (Aesthetics)--Germany--Berlin--Congresses.
Princeton subject headings:
Architecture, Modern--20th century--Germany--Berlin--Congresses.
Berlin (Germany)--Buildings, structures, etc--Congresses.
Berlin (Germany)--Civilization--Congresses.
Berlin (Germany)--In literature--Congresses.
City planning--Germany--Berlin--History--20th century--Congresses.
German literature--20th century--History and criticism--Congresses.
Modernism (Aesthetics)--Germany--Berlin--Congresses.