Columbia subject headings:
Harvard subject headings:
Ainu--History
East Asia--Relations--Japan.
Hokkaido (Japan)--History.
Japan--History--To 1868
Japan--Relations--East Asia.
Princeton subject headings:
Ainu--History.
East Asia--Relations--Japan.
Hokkaido (Japan)--History.
Japan--History--To 1868.
Japan--Relations--East Asia.