Columbia subject headings:
Harvard subject headings:
Great Britain--Foreign relations--Soviet Union--1945-
Great Britain--Foreign relations--Soviet Union.
Great Britain--Politics and government--1979-1997.
Popov, V. I. (Viktor Ivanovich)--Knowledge--Great Britain.
Popov, Viktor Ivanovich, active 1957---Travel--Great Britain.
Soviet Union--Foreign relations--Great Britain.
Soviet Union--Politics and government--1953-1985.
Soviet Union--Politics and government--1985-1991.
Princeton subject headings:
Great Britain--Foreign relations--Soviet Union.
Great Britain--Politics and government--1979-1997.
Popov, Viktor Ivanovich, fl. 1957---Travel--Great Britain.
Soviet Union--Foreign relations--Great Britain.
Soviet Union--Politics and government--1953-1985.
Soviet Union--Politics and government--1985-1991.