Columbia subject headings:
Exports--Japan--History.
Industries--Japan--History.
Japan--Commerce--History.
Japan--Economic conditions--1868-1918.
Harvard subject headings:
Exports--Japan--History.
Industries--Japan--History
Japan--Commerce--History.
Japan--Economic conditions--1868-1918.
Princeton subject headings:
Exports--Japan--History.
Industries--Japan--History.
Japan--Commerce--History.
Japan--Economic conditions--1868-1918.