Columbia subject headings:
Harvard subject headings:
Daimyo--Japan--History.
Japan--History--Muromachi period, 1336-1573.
Ōita-ken (Japan)--History.
Yamaguchi-ken (Japan)--History.
Ōtomo family.
Ōuchi family.
Princeton subject headings:
Daimyo--Japan--History.
Japan--History--Muromachi period, 1336-1573.
Ōita-ken (Japan)--History.
Ōtomo family.
Ōuchi family.
Yamaguchi-ken (Japan)--History.