- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesE - Lectures
- SubseriesE54-E91 - Public and invitation lectures
- 14 more...
- ItemE70 - Lunchtime talk on travels of mathematicians, The Archimedeans (Cambridge University Mathematical Society), Cambridge, 1972
- ItemE71 - Untitled lecture on the history of the British Federation of University Women (BFUW), British Federation of University Women, Cambridge Association, Cambridge, ?1975
- FileE84 - Untitled lecture to British Universities Summer School in Theoretical Elementary Particle Physics, Pembroke College Cambridge, 7 September 1993
- FileE85 - 'Culinary mathemetics or Bessel Functions in the Saucepan', to ?New Pythagoreans
- FileE86 - 'Modern mathematics at the time of the Gunpowder Plot'
- FileE87 - 'The Shavian solar system'
- FileE88 - Untitled lecture beginning 'It is nearer to 50 than 40 years since I last read a paper to this Society'
- 2 more...