- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesJ - Correspondence
- SubseriesJ299-J314 - References and recommendations
- FileJ299-J312 - 'Testimonials Reports'
- ItemJ299 - 'Fairly recent testimonials for Mathematical Students'
- ItemJ300 - 'Testimonials 1949'
- ItemJ301 - 1949-1954
- ItemJ302 - 1955-1958
- ItemJ303 - 1959-1963
- ItemJ304 - 1964-1965
- ItemJ305 - 1966
- 7 more...