Columbia subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
Japan--Relations--Soviet Union.
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Relations--Japan.
Harvard subject headings:
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Japan.
Princeton subject headings:
Gorbachev, Mikhail Sergeevich, 1931-2022.
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975-.
Soviet Union--Foreign relations--Japan.