- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesE - Lectures
- SubseriesE1-E53 - Teaching
- FileE4-E8 - 'Special Theory of Relativity Manchester 1930s'
- ItemE4 - 'The Michelson-Morley experiment'
- ItemE5 - 'Refractive index of an ionised or non-ionised medium'
- ItemE6 - 'Theory of electrons'
- ItemE7 - 'Waves & particles' and 'Maxwell's equ[ation]s...'
- ItemE8 - 'Curvilinear coordinates'