Columbia subject headings:
Pan Africanist Congress.
Political prisoners--South Africa--Biography.
Sobukwe, Robert Mangaliso.
South Africa--Politics and government--20th century.
Harvard subject headings:
Pan Africanist Congress
Political prisoners--South Africa--Biography
Sobukwe, Robert Mangaliso
South Africa--Politics and government--20th century.
Princeton subject headings:
Pan Africanist Congress.
Political prisoners--South Africa--Biography.
Sobukwe, Robert Mangaliso.
South Africa--Politics and government--20th century.