- FondsAD1812 - Treason Trial 1956
- SeriesI - Treason Trial Defence Fund
- SubseriesI5 - The Treason Trials Defence Fund with An Account of the Arrest of Some Trialists and Their Imprisonment in the Johannesburg Fort
- sub-subseriesI5.4 - Letters of thanks
- FileI5.4.1 - Luthuli
- FileI5.4.2 - Mathole
- FileI5.4.3 - Unsigned
- FileI5.4.4 - AMK (Kathrada?)