Columbia subject headings:
Europe--Politics and government--1871-1918.
Great Britain--History--Victoria, 1837-1901.
Great Britain--Politics and government--1837-1901.
Harvard subject headings:
Europe--Politics and government--1871-1918.
Great Britain--History--Victoria, 1837-1901
Princeton subject headings:
Europe--Politics and government--1871-1918.
Great Britain--History--Victoria, 1837-1901.