Columbia subject headings:
Tōhoku Region (Japan)--History.
Tōhoku Region (Japan)--Politics and government--16th century.
Tōhoku Region (Japan)--Social conditions--16th century.
Tōhoku Region (Japan)--Social conditions--17th century.
Harvard subject headings:
Tōhoku Region (Japan)--History
Tōhoku Region (Japan)--Politics and government--16th century.
Tōhoku Region (Japan)--Social conditions--16th century.
Tōhoku Region (Japan)--Social conditions--17th century.
Princeton subject headings: