Columbia subject headings:
Harvard subject headings:
Daimyo--Japan--Ōita-ken--History.
Land tenure--Japan--Ōita-ken--History.
Ōtomo family.
Princeton subject headings:
Daimyo--Japan--Ōita-ken--History--Addresses, essays, lectures.
Land tenure--Japan--Ōita-ken--History--Addresses, essays, lectures.
Ōtomo family--Addresses, essays, lectures.