Columbia subject headings:
Harvard subject headings:
Industrial management--Japan--Osaka (Prefecture)--History.
Merchants--Japan--Osaka (Prefecture)--History.
Middle class--Japan--Osaka (Prefecture)--History.
Princeton subject headings:
Industrial management--Japan--Osaka (Prefecture)--History.
Merchants--Japan--Osaka (Prefecture)--History.
Middle class--Japan--Osaka (Prefecture)--History.