- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesH1-H219 - Non Textual Material
- SubseriesH156-H192A - Glass Negatives and Slides
- FileH169-H192A - Contents of miscellaneous labelled boxes and 2 envelopes
- FileH169 - 'Craters'
- FileH169A - 'Equations etc ?' Also inscribed 'Seismology'.
- FileH170 - 'Figure of Earth Tidal Data'
- FileH171 - 'Gravity' Also inscribed 'Isostasy'.
- FileH172 - 'Heat & Radioactivity' Also inscribed 'Thermal History'.
- FileH173 - 'Heat Bridgman'
- 23 more...