- FundosA2618 - Robert Sobukwe Papers
- SériesB - Correspondence - with Robert Sobukwe and concerning him
- SubsérieBd - Correspondence with N. Marquard. Photocopies of Sobukwe' s letters to Nell Marquard
- Bd2 - Letters 1967-1970
- Pasta/ProcessoBd2.1 - Robert Sobukwe: To Mrs Marquard from Robben Island
- Pasta/ProcessoBd2.2 - Robert Sobukwe: To Mrs Marquard from Robben Island
- Pasta/ProcessoBd2.3 - Robert Sobukwe: To Mrs Marquard from Robben Island
- Pasta/ProcessoBd2.4 - Robert Sobukwe: To Mrs Marquard from Robben Island
- Pasta/ProcessoBd2.5 - Robert Sobukwe: To Mrs Marquard from Robben Island
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