Columbia subject headings:
German reunification question (1949-1990)--Congresses.
Germany--Foreign relations--1945---Congresses.
World politics--1945-1989--Congresses.
Harvard subject headings:
German reunification question (1949-1990)--Congresses
Germany--Foreign relations--1945---Congresses.
World politics--1945---Congresses.
World politics--1945-1989--Congresses
Princeton subject headings:
German reunification question (1949-1990)--Congresses.
Germany--Foreign relations--1945---Congresses.
World politics--1945---Congresses.