Columbia subject headings:
Gomas, Johnny, 1901-1979.
Labor movement--South Africa--History--20th century.
South African Communist Party--History.
Working class--Political activity--South Africa--20th century.
Working class--South Africa--History--20th century.
Harvard subject headings:
Communists--South Africa--Biography.
Gomas, Johnny, 1901-1979.
Labor leaders--South Africa--Biography.
Princeton subject headings: