- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesB1-B316 - Research
- SubseriesB86-B191 - Seismology
- SubseriesB136-B158 - 'Travel Times for Pacific Earthquakes'
- 4 more...
- FileB142 - 'Correspondence about proofs Jeffreys & Haddon GJRAS (1983) 72 Pacific Earthquakes'
- FileB143-B146 - 'Jeffreys & Haddon GJ 72 (1983) Drafts'
- FileB147-B149 - 'Typescripts GJRAS (1983) 72, 273-281'
- FileB150-B154 - 'Pacific Earthquakes Some of H.J.'s preliminary working'
- FileB155-B157 - 'Computations by R.A.W. Haddon GJRAS (1983) 72'
- FileB158 - 'Jeffreys & Haddon GJRAS 72 (1983) Pacific Earthquakes / O'Donohue's computations [University of Cambridge Computer Laboratory]'