Columbia subject headings:
German literature--20th century--History and criticism--Congresses.
Germany (East)--In literature--Congresses.
Germany (East)--Politics and government--1989-1990--Congresses.
Germany--Foreign relations--Poland--Congresses.
Germany--History--Unification, 1990--Congresses.
NSZZ "Solidarność" (Labor organization)--History--Congresses.
Poland--Foreign relations--Germany--Congresses.
Harvard subject headings:
German literature--20th century--History and criticism--Congresses
Germany (East)--In literature--Congresses.
Germany (East)--Politics and government--Congresses.
Germany--Foreign relations--Poland--Congresses.
Germany--History--Unification, 1990--Congresses.
NSZZ "Solidarność" (Labor organization)--History--Congresses.
Poland--Foreign relations--Germany--Congresses.
Princeton subject headings:
German literature--20th century--History and criticism--Congresses.
Germany (East)--In literature--Congresses.
Germany (East)--Politics and government--1989-1990--Congresses.
Germany--Foreign relations--Poland--Congresses.
Germany--History--Unification, 1990--Congresses.
NSZZ "Solidarność" (Labor organization)--History--Congresses.
Poland--Foreign relations--Germany--Congresses.