The current Constitution is the Constitution of the Republic of South Africa 1996 (Act 108 of 1996). It is available on the following databases:
Constitution of the Republic of South Africa, 1993
Constitution of the Republic of South Africa, 1983
Republic of South Africa Constitution Act, 1961
The Status of the Union Act, Nr. 69, 1934
British Proclamation, 1909
Act of the British Parliament to Constitute the Union of South Africa, 1909
Act of the British Parliament, 1877