Columbia subject headings:
Afghanistan--Boundaries--Soviet Union.
Eastern question (Central Asia)
Great Britain--Foreign relations--Soviet Union.
Soviet Union--Boundaries--Afghanistan.
Soviet Union--Foreign relations--Great Britain.
Harvard subject headings:
Afghanistan--Boundaries--Russia.
Afghanistan--Boundaries--Soviet Union.
Eastern question (Central Asia)
Great Britain--Foreign relations--Russia.
Great Britain--Foreign relations--Soviet Union.
Russia--Boundaries--Afghanistan.
Russia--Foreign relations--Great Britain
Soviet Union--Boundaries--Afghanistan.
Soviet Union--Foreign relations--Great Britain.
Princeton subject headings: