Columbia subject headings:
Africa, Sub-Saharan--Foreign economic relations--Communist countries.
Communism--Africa, Sub-Saharan.
Communist countries--Foreign economic relations--Africa, Sub-Saharan.
Communist strategy.
Harvard subject headings:
Africa, Sub-Saharan--Foreign economic relations--Communist countries.
Communism--Africa, Sub-Saharan.
Communist countries--Foreign economic relations--Africa, Sub-Saharan.
Communist strategy.
Princeton subject headings: