Columbia subject headings:
Japan--Foreign relations--1945-1989.
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Foreign relations--Japan.
Harvard subject headings:
Japan--Foreign relations--1945-
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975-1985
Soviet Union--Foreign relations--Japan.
Princeton subject headings:
Japan--Foreign relations--1945-
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975-.
Soviet Union--Foreign relations--Japan.