Columbia subject headings:
Algeria--Foreign relations--Soviet Union.
Morocco--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Algeria.
Soviet Union--Foreign relations--Morocco.
Soviet Union--Foreign relations--Tunisia.
Soviet Union--Foreign relations.
Tunisia--Foreign relations--Soviet Union.
Harvard subject headings:
Algeria--Foreign relations--Soviet Union.
Morocco--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Algeria.
Soviet Union--Foreign relations--Morocco.
Soviet Union--Foreign relations--Tunisia.
Soviet Union--Foreign relations.
Tunisia--Foreign relations--Soviet Union.
Princeton subject headings:
Algeria--Foreign relations--Soviet Union.
Morocco--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Algeria.
Soviet Union--Foreign relations--Morocco.
Soviet Union--Foreign relations--Tunisia.
Soviet Union--Foreign relations.
Tunisia--Foreign relations--Soviet Union.