Columbia subject headings:
Harvard subject headings:
Great Britain--Colonies--History.
Great Britain--Foreign relations--1837-1901.
Great Britain--Foreign relations--20th century.
Great Britain--History--20th century.
Great Britain--History--Victoria, 1837-1901
Imperialism--History
Princeton subject headings:
Great Britain--Colonies--History.
Great Britain--Foreign relations--1837-1901.
Great Britain--Foreign relations--20th century.
Great Britain--History--20th century.
Great Britain--History--Victoria, 1837-1901.