Columbia subject headings:
Economic history--Study and teaching.
Economic history.
Great Britain--Economic conditions.
Great Britain--History.
Industries--Great Britain--History.
Harvard subject headings:
Economic history--Study and teaching.
Great Britain--Economic conditions.
Industries--Great Britain--History
Unwin, George, 1870-1925.
Princeton subject headings:
Economic history--Study and teaching.
Great Britain--Economic conditions.
Industries--Great Britain--History.