- 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
- 2 more...
- FileH170 - 'Figure of Earth Tidal Data'
- FileH171 - 'Gravity' Also inscribed 'Isostasy'.
- FileH172 - 'Heat & Radioactivity' Also inscribed 'Thermal History'.
- FileH173 - 'Heat Bridgman'
- FileH174 - '? Landscapes' Also inscribed 'St David's'.
- FileH175 - 'Lomnitz Tidal action'
- FileH176 - 'Mountains' Also inscribed 'Geology'.
- FileH176A - Seismograms and ?'
- FileH177 - 'Seismology'
- 18 more...