- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesD - Publications
- SubseriesD1-D74 - Drafts and articles
- FileD25-D34 - Methods of Mathematical Physics, with Harold Jeffreys, Cambridge University Press, 1st ed. 1946
- ItemD25 - Letters of appreciation
- ItemD26 - Reviews of 1st edition
- ItemD27-D29 - Corrections for 1962 reprinting
- ItemD30 - Letter re Russian language translation
- ItemD31-D33 - 'MMP paperback. Working'
- 1 more...