Columbia subject headings:
Great Britain--Colonies--History--18th century.
Great Britain--Colonies--History--19th century.
Great Britain--Foreign relations--1760-1820.
Great Britain--Foreign relations--1820-1830.
Imperialism--History.
Harvard subject headings:
Great Britain--Colonies--History--18th century.
Great Britain--Colonies--History--19th century.
Great Britain--Foreign relations--1760-1820.
Great Britain--Foreign relations--1820-1830.
Imperialism--History
Princeton subject headings:
Great Britain--Colonies--History--18th century.
Great Britain--Colonies--History--19th century.
Great Britain--Foreign relations--1760-1820.
Great Britain--Foreign relations--1820-1830.
Imperialism--History.