Columbia subject headings:
German literature--20th century--History and criticism--Congresses.
German literature--21st century--History and criticism--Congresses.
Germany--History--1990---In literature--Congresses.
Germany--History--1990---In motion pictures--Congresses.
Germany--History--Unification, 1990--In literature--Congresses.
Germany--History--Unification, 1990--In motion pictures--Congresses.
Germany--History--Unification, 1990--Influence--Congresses.
Germany--In motion pictures--Congresses.
Motion pictures--Germany--History--20th century--Congresses.
Motion pictures--Germany--History--21st century--Congresses.
Harvard subject headings:
German literature--20th century--History and criticism--Congresses
German literature--21st century--History and criticism--Congresses.
Germany--History--1990---In literature--Congresses.
Germany--History--1990---In motion pictures--Congresses.
Germany--History--Unification, 1990--In literature--Congresses.
Germany--History--Unification, 1990--In motion pictures--Congresses.
Motion pictures--Germany--History--20th century--Congresses.
Motion pictures--Germany--History--21st century--Congresses.
Princeton subject headings:
German literature--20th century--History and criticism--Congresses.
German literature--21st century--History and criticism--Congresses.
Germany--History--1990---In literature--Congresses.
Germany--History--1990---In motion pictures--Congresses.
Germany--History--Unification, 1990--In literature--Congresses.
Germany--History--Unification, 1990--In motion pictures--Congresses.
Germany--History--Unification, 1990--Influence--Congresses.
Germany--In motion pictures--Congresses.
Motion pictures--Germany--History--20th century--Congresses.
Motion pictures--Germany--History--21st century--Congresses.