- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesJ - Correspondence
- SubseriesJ208-J269 - Chronological sequence
- FileJ208 - 1922, 1939, 1941, 1949
- FileJ209 - 1953-1957
- FileJ210-J211 - 'Letters various 1959'
- FileJ212 - 1966-1969
- FileJ213 - 1970-1972
- FileJ214 - 1973
- FileJ215 - 1974
- 48 more...