- FondsA2618 - Robert Sobukwe Papers
- SeriesB - Correspondence - with Robert Sobukwe and concerning him
- SubseriesBd - Correspondence with N. Marquard. Photocopies of Sobukwe' s letters to Nell Marquard
- sub-subseriesBd2 - Letters 1967-1970
- FileBd2.1 - Robert Sobukwe: To Mrs Marquard from Robben Island
- FileBd2.2 - Robert Sobukwe: To Mrs Marquard from Robben Island
- FileBd2.3 - Robert Sobukwe: To Mrs Marquard from Robben Island
- FileBd2.4 - Robert Sobukwe: To Mrs Marquard from Robben Island
- FileBd2.5 - Robert Sobukwe: To Mrs Marquard from Robben Island
- 18 more...