Columbia subject headings:
Africa--Economic conditions--1960-
Africa--Politics and government--1960-
Soviet Union--History--Revolution, 1917-1921--Influence.
Harvard subject headings:
Africa--Economic conditions--1960-
Africa--Politics and government--1960-
Soviet Union--History--Revolution, 1917-1921--Influence.
Princeton subject headings:
Africa--Foreign relations--Soviet Union.
Africa--Politics and government.
Communism--Africa.
Soviet Union--Foreign relations--Africa.
Soviet Union--History--Revolution, 1917-1921--Influence.