Program

• ZA WITS HWS-1-1
• Item
• 3-7 February 1978

Part of History Workshop Series

Program

• ZA WITS HWS-2-1
• Item
• 4-9 February 1981

Part of History Workshop Series

Program

• ZA WITS HWS-5-1
• Item
• 5-8 February 1990

Part of History Workshop Series

Program

• ZA WITS HWS-7-1
• Item
• 13-15 July 1994

Part of History Workshop Series