Columbia subject headings:
Great Britain--History.
Great Britain--Politics and government.
United States--History.
United States--Politics and government.
Harvard subject headings:
Great Britain--History.
Great Britain--Politics and government.
United States--History.
United States--Politics and government.
Princeton subject headings:
Great Britain--History.
Great Britain--Politics and government.
United States--History.
United States--Politics and government.