- FondsA2618 - Robert Sobukwe Papers
- SeriesC - Research Material
- SubseriesCr - Letters from AP Mda and 'Tsepo' to GM Pitje and 'Son of Africa'
- FileCr1 - AP Mda: Letter to GM Pitje
- FileCr2 - AP Mda: Letter to GM Pitje
- FileCr3 - AP Mda: Letter to J Matthews
- FileCr4 - AP Mda: Letter to "My dear brother"
- FileCr5 - AP Mda: Letter to GM Pitje
- 3 more...