Columbia subject headings:
Japan--Foreign relations--Soviet Union.
Siberia, Eastern (Russia)--History.
Soviet Union--Foreign relations--Japan.
Harvard subject headings:
Japan--Foreign relations--Soviet Union.
Siberia, Eastern (Russia)--History.
Soviet Union--Foreign relations--Japan.
Princeton subject headings:
Japan--Foreign relations--Soviet Union.
Siberia, Eastern--History.
Soviet Union--Foreign relations--Japan.