Columbia subject headings:
Great Britain--Colonies--History.
Great Britain--Economic conditions--19th century.
Great Britain--Economic conditions--20th century.
Great Britain--Foreign relations--19th century.
Great Britain--Foreign relations--20th century.
Great Britain--History--19th century.
Great Britain--History--20th century.
Harvard subject headings:
Princeton subject headings:
Great Britain--Colonies--History.
Great Britain--Economic conditions--19th century.
Great Britain--Economic conditions--20th century.
Great Britain--Foreign relations--19th century.
Great Britain--Foreign relations--20th century.
Great Britain--History--19th century.
Great Britain--History--20th century.