Columbia subject headings:
Germany--Foreign relations--Russia.
Germany--Foreign relations--Soviet Union.
Russia--Foreign relations--Germany.
Soviet Union--Foreign relations--Germany.
Harvard subject headings:
Germany--Foreign relations--Russia.
Germany--Foreign relations--Soviet Union.
Russia--Foreign relations--Germany.
Soviet Union--Foreign relations--Germany.
Princeton subject headings:
Germany--Foreign relations--1945-
Germany--Foreign relations--Russia (Federation).
Germany--Foreign relations--Soviet Union.
Russia (Federation)--Foreign relations--Germany.
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Germany.