Columbia subject headings:
Harvard subject headings:
Japan--Foreign relations--1945-1989
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Japan.
Princeton subject headings:
Japan--Foreign relations--1945-1989.
Japan--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Japan.