Columbia subject headings:
Harvard subject headings:
Castles--Japan--Kyūshū Region.
Daimyo--Japan--Kyūshū Region.
Fortification--Japan--Kyūshū Region.
Kyūshū Region (Japan)--Politics and government.
Princeton subject headings:
Castles--Japan--Kyūshū Region.
Daimyo--Japan--Kyūshū Region.
Fortification--Japan--Kyūshū Region.
Kyūshū Region (Japan)--Politics and government.