Columbia subject headings:
Harvard subject headings:
Europe--Foreign relations--Germany--Sources.
Germany--Foreign relations--1990---Sources.
Germany--Foreign relations--Europe--Sources.
Germany--Politics and government--1990---Sources.
Princeton subject headings:
Europe--Foreign relations--Germany--Sources.
Germany--Foreign relations--1990---Sources.
Germany--Foreign relations--Europe--Sources.
Germany--Politics and government--1990---Sources.