Columbia subject headings:
Harvard subject headings:
Coal miners--Japan--Fukuoka-ken--History.
Convict labor--Japan--Fukuoka-ken--History.
Foreign workers, Korean--Japan--Fukuoka-ken--History.
Fukuoka-ken (Japan)--History.
Labor unions--Coal miners--Japan--Fukuoka-ken--History.
Princeton subject headings:
Coal miners and mining--Japan--Fukuoka-ken.
Coal miners--Japan--Fukuoka-ken.
Foreign workers, Korean--Japan--Fukuoka-ken.
Miike Tankō Rōdō Kumiai.
Service, Compulsory non-military--Japan--Fukuoka-ken.