Columbia subject headings:
Harvard subject headings:
Hiroshima-ken (Japan)--Economic conditions.
Japan--Economic conditions--To 1868.
Okayama-ken (Japan)--Economic conditions.
Princeton subject headings:
Hiroshima-ken (Japan)--Economic conditions--19th century.
Inland Sea Region (Japan)--Economic conditions--19th century.
Okayama-ken (Japan)--Economic conditions--19th century.