In 1974 SASO/BPC members were arrested for staging Viva Frelimo rallies at Curries Fountain and at Turfloop University, and charged. They were Saths Cooper, Muntu Myeza, Strini Moodley, Patrick ‘Terror’ Lekota, Nchaupe Mokoape, Pandelani Nefolovhodwe, Nkwenkwe Nkomo, Kaborone Sedibe and Zithulele Cindi. Their trial, officially known as 'State vs Cooper and Eight Others', dragged on for 16 months, after which the accused were found guilty and sentenced to five and six-year terms on Robben Island.

Steve Biko appeared as one of the defence witnesses in the trial in May 1976, and his testimony is included in the court records. The records also include 'The Definition of Black Consciousness'.

Records relating to the Treason Trial, Regina vs. F. Adams and 152 others on a charge of High Treason, 1956-1961.

Including: Correspondence, minutes, memoranda, printed items and court records including preparatory examination, indictment, arraignment and evidence, admissions, addresses, closing arguments, judgments and documentary exhibits. The exhibits relate to organisations including African National Congress, Communist Party of South Africa, Congress of Democrats, Congress of the People, Federation of South African Women, Natal Indian Congress, South African Coloured People's Association, South African Indian Congress, South African Peace Council, Springbok Legion, Transvaal Indian Congress, and to cultural-political groups, vigilance associations and trade unions. Also included are press summaries and bulletins of the Treason Trial Defence Fund. Amonst the many accused were Chief Albert J. Luthuli, Z.K. Matthews, Nelson Mandela and Walter Sisulu.

Correspondence, memoranda and press clippings on unrest, banishments and removals.