Columbia subject headings:
Civil rights movements--South Africa--History--20th century.
Communist International--History--20th century.
Communist International--Political activity.
Communist Party of South Africa--History--20th century.
Communist Party of South Africa--Political activity.
Labor unions and communism--South Africa--History--20th century.
Labor unions--Political activity--South Africa--History--20th century.
National liberation movements--South Africa--History--20th century.
South Africa--Politics and government--20th century.
Soviet Union--Politics and government.
Harvard subject headings:
Civil rights movements--South Africa--History--20th century.
Communist International--History--20th century.
Communist International--Political activity.
Communist Party of South Africa--History--20th century.
Communist Party of South Africa--Political activity.
Labor unions and communism--South Africa--History--20th century.
Labor unions--Political activity--South Africa--History--20th century.
National liberation movements--South Africa--History--20th century.
South Africa--Politics and government--20th century
Soviet Union--Politics and government
Princeton subject headings:
African National Congress.
Communist International.
Communist Party of South Africa.
South Africa--Relations--Soviet Union.
Soviet Union--Relations--South Africa.