- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesA1-A230 - Biographical Papers
- SubseriesA34-A117 - Career, Honours and Awards
- FileA36-A65 - St John's College Cambridge
- FileA57-A59 - Miscellaneous correspondence with Fellows and others
- ItemA57 - Letter from Sir Henry F. Howard, Senior Bursar
- ItemA58 - Correspondence
- ItemA59 - Correspondence