Columbia subject headings:
Harvard subject headings:
Daimyo--Japan--Ōita-ken.
Japan--History--1185-1600.
Ōita-ken (Japan)--History.
Ōita-shi (Japan)--History.
Ōtomo family.
Princeton subject headings:
Japan--History--1185-1600.
Ōita-ken (Japan)--History.
Ōtomo family.