Columbia subject headings:
Africa--Foreign relations--1960-
Africa--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Africa.
World politics--1965-1975.
World politics--1975-1985.
Harvard subject headings:
Africa--Foreign relations--1960-
Africa--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Africa.
World politics--1965-1975
World politics--1975-1985
Princeton subject headings:
Africa--Foreign relations--1960-
Africa--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Africa.