Columbia subject headings:
Harvard subject headings:
Koreans--Japan--Osaka Region--Economic conditions.
Labor movement--Japan--Osaka Region--History.
Labor--Japan--Osaka Region--History.
Osaka Region (Japan)--Social policy.
Slums--Japan--Osaka Region--History.
Working class--Japan--Osaka Region--History.
Princeton subject headings:
Koreans--Japan--Osaka Region--Economic conditions.
Labor--Japan--Osaka Region--History.
Osaka Region (Japan)--Social policy.
Slums--Japan--Osaka Region--History.