Bryks, Jacqueline E.; Hausfeld, Michael D.; Abrahams, Charles Peter; Kerrigan, Robert G.; Fisher, Barry A. (11 November 2002). "Complaint: Khulumani et al. v. Barclays National Bank Ltd et al"(PDF). DomCLIC Project: South African Apartheid Litigation. The Hague Justice Portal. Archived from the original(PDF) on 30 September 2011. Retrieved 2 October 2010.
"Historical Milestones". Oerlikon Corporate Website. Pfäffikon, Switzerland: OC Oerlikon Management. Archived from the original on 15 February 2012. Retrieved 2 October 2010.
"Historical Milestones". Oerlikon Corporate Website. Pfäffikon, Switzerland: OC Oerlikon Management. Archived from the original on 15 February 2012. Retrieved 2 October 2010.
Bryks, Jacqueline E.; Hausfeld, Michael D.; Abrahams, Charles Peter; Kerrigan, Robert G.; Fisher, Barry A. (11 November 2002). "Complaint: Khulumani et al. v. Barclays National Bank Ltd et al"(PDF). DomCLIC Project: South African Apartheid Litigation. The Hague Justice Portal. Archived from the original(PDF) on 30 September 2011. Retrieved 2 October 2010.