- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesA1-A230 - Biographical Papers
- SubseriesA34-A117 - Career, Honours and Awards
- FileA70-A80 - University of Cambridge
- ItemA70 - Memorandum on the Constitution of the Senate at Cambridge addressed to the Royal Commission on the Universities of Oxford and Cambridge
- ItemA71 - Letter
- FileA72-A78 - Plumian Chair
- FileA79-A80 - 'Various correspondence about Math. & Nat. Sci. Tripos'