- FondsWilkes - Papers of Maurice Wilkes
- SubfondsII - Personal and Professional Papers (Series II)
- SeriesK - Research materials and associated papers relating to Charles Babbage
- 12 more...
- File16 - Notes on W. K. Clifford
- File17 - Notes, correspondence and other papers relating to MVW's catalogue of the Babbage papers at Cambridge University Library
- File18 - Correspondence and papers relating to Babbage's Difference Engine and its reception by the British authorities
- File20 - Correspondence, photocopies and notes relating to Babbage's influence on the use of broad gauge by the Great Western Railway
- File21 - Correspondence with Jim Roberts and Allan Bromley