- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesH - History of science and other interests
- SubseriesH1-H108 - History of Science
- FileH1-H4 - Sir Edward Victor Appleton (1892-1965)
- ItemH1 - Correspondence with K.G. Budden re Appleton 1977, 1994
- ItemH2 - Correspondence with C.S. Gillmor re Appleton and E. Cunningham, 1977, 1982, 1994
- ItemH3 - Correspondence with M.V. Wilkes re Appleton
- ItemH4 - 1975, 1994