- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesA1-A230 - Biographical Papers
- SubseriesA15-A33 - Autobiographical and Biographical Material
- FileA30-A32 - 'Contributions of Sir Harold Jeffreys to Theoretical Geophysics' by E.R. Lapwood, Math. Scientists, 1982, 7, 69-84
- ItemA30 - Off-print
- ItemA31 - Typescript draft
- ItemA32 - Manuscript (photocopy) by Lapwood