Women's Citizens' Association, United Kingdom
Archibishop of Cape Town, Most Rev. de Blank
"Solicitor's Journal"
E.S. Sachs and Treason Trial book
L.A. Maisels
The Treason Trials Defence Fund with An Account of the Arrest of Some Trialists and Their Imprisonment in the Johannesburg Fort
The Treason Trials Defence Fund with An Account of the Arrest of Some Trialists and Their Imprisonment in the Johannesburg Fort
Legal observers and commentators
Appeals to clergy and churches
Christian Action notes and commentary on the Treason Trial
Christian Action Defence and Aid Fund initiation of Treason Trial appeal, progress reports