Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--Cultural policy--Congresses.
Berlin (Germany)--Intellectual life--20th century--Congresses.
Berlin (Germany)--Politics and government--1945-1990--Congresses.
Princeton subject headings:
Berlin (Germany)--Cultural policy--Congresses.
Berlin (Germany)--Intellectual life--20th century--Congresses.
Berlin (Germany)--Politics and government--1945-1990--Congresses.