Columbia subject headings:
Japan--History--To 1185.
Tōhoku Region (Japan)--Antiquities.
Tōhoku Region (Japan)--Politics and government.
Harvard subject headings:
Japan--History--To 1185.
Tōhoku Region (Japan)--Antiquities.
Tōhoku Region (Japan)--Politics and government.
Princeton subject headings:
Japan--History--To 1185.
Tōhoku Region (Japan)--Antiquities.
Tōhoku Region (Japan)--Politics and government.