- FondsA2562 - Mark Heywood Papers
- SeriesB - Marxist Workers Tendency (MWT) of the ANC
- SubseriesB9 - Political Prisoners Campaign
- PartB9-1 - Philemon Mauku
- FileB9-1-1 - Solidarity letters to Mauku
- FileB9-1-2 - Correspondence and notes by Mauku
- FileB9-1-3 - Completed petitions in support of Mauku
- FileB9-1-4 - Miscellaneous