Columbia subject headings:
Harvard subject headings:
Europe--Politics and government--1815-1848.
Great Britain--Foreign relations--Soviet Union.
Great Britain--Politics and government--1800-1837.
Soviet Union--Foreign relations--Great Britain.
Princeton subject headings:
Europe--Politics and government--1815-1848.
Great Britain--Foreign relations--Soviet Union.
Great Britain--Politics and government--1800-1837.
Soviet Union--Foreign relations--Great Britain.