Columbia subject headings:
Currey, John Blades, 1829-1904.
Good Hope, Cape of (South Africa : Cape)--History.
South Africa--History--1836-1909.
Harvard subject headings:
Businessmen--South Africa--Cape of Good Hope--Biography.
Cape of Good Hope (South Africa)--Officials and employees--Biography.
Currey, John Blades, 1829-1904.
Diamond industry and trade--South Africa--Cape of Good Hope--History.
Princeton subject headings: