Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Korea--History--19th century.
Korea--Economic conditions--1864-1910.
Princeton subject headings:
Agriculture--Economic aspects--Korea--History--19th century.
Korea--Economic conditions--17th century--Statistics.
Korea--Economic conditions--1864-1910--Statistics.
Korea--Economic conditions--1864-1910.
Korea--Economic conditions--1910-1945--Statistics.
Statistics.