by South African Institution of Engineers

1903

by South Africa. Department of Education

2007 · RainbowSA

by Royal Society of New South Wales

1898

by South Wales Institute of Engineers

1910

by Kwazulu (South Africa). Legislative Assembly

1981

by South African Association of Engineers

1908

by Cape of Good Hope (South Africa). Supreme Court

1901

by South Africa. Department of labour

1928

by South Wales Institute of Engineers

1910

by University College of South Wales and Monmouthshire

1908

by Chamber of Mines of South Africa, Johannesburg

1917

by Chemical, Metallurgical, and Mining Society of South Africa

1908