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The Brenthurst Library is a private repository of Africana in Johannesburg built by Harry Oppenheimer in 1984 as he started to disengage from the family's mining interests. It houses a collection of some 20,000 volumes, including rare manuscripts and documents. Among these were the only complete record of the proceedings of the treason trial of Nelson Mandela, until the papers were handed over to the Mandela estate in November 2008.
- Pallister, David (21 August 2000). "Harry Oppenheimer". London: The Guardian. Retrieved 31 July 2008.
- "National Archives receives copy of records of the Rivonia Treason Trail from Mr HF Oppenheimer". South African Government Information Service. Archived from the original on 4 June 2011. Retrieved 31 July 2008.
- "Treasure chest of Africana at Brenthurst". Johannesburg News. Retrieved 4 August 2008.
- "Mandela receives Rivonia trial transcripts". Xinhuanet.com. Retrieved 30 November 2008.[clarification needed]