Columbia subject headings:
China--Relations--Russia--History.
East Asia--Discovery and exploration--Russian.
Japan--Relations--Russia--History.
Russia--Relations--China--History.
Russia--Relations--Japan--History.
Harvard subject headings:
China--Relations--Russia
East Asia--Discovery and exploration--Russian.
Japan--Relations--Russia
Russia--Relations--China
Russia--Relations--Japan
Princeton subject headings:
China--Relations--Russia--History.
East Asia--Discovery and exploration--Russian.
Japan--Relations--Russia--History.
Russia--Relations--China--History.
Russia--Relations--Japan--History.