- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesH1-H219 - Non Textual Material
- SubseriesH1-H107 - Photographs
- FileH57-H89A - Photographs of visits, conferences and excursions
- ItemH57 - Delegates to the Meeting of the British Association for the Advancement of Science, Toronto, Canada, August 6th to 13th 1924.
- ItemH58 - 'Sedgwick Club'
- FileH59-H63 - Photographs found together in photographic wallet ?re geological excursion to South Wales
- ItemH64 - International Physics Conference, London
- FileH65, H66 - 'Strasbourg 1947'
- FileH67 - U.G.G.I. conference, Oslo, Norway
- ItemH68 - 'Constantes Astronomiques', colloquium held at L'Observatoire de Paris, France, 29 March - 1 April 1950
- ItemH69 - 'Dublin IAU Lyttleton'
- 13 more...