- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesA1-A230 - Biographical Papers
- SubseriesA128-A153 - Family and Personal
- FileA128-A131 - Robert Hall Jeffreys (father)
- ItemA128 - Diocese of Newcastle pupil teacher's certificate in religious subjects
- ItemA129 - United Grand Lodge of Ancient, Free and Accepted Masons of England certificate
- ItemA130 - Supreme Grand and Royal Chapter of Royal Arch Masons of England certificate
- ItemA131 - Certified copy of an entry of death