- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesG1-G190 - Correspondence
- SubseriesG130-G175 - Chronological Sequence
- 10 more...
- FileG140 - 1952
- FileG141 - 1953-1955
- FileG142 - 1956-1957
- FileG143 - 1958-1959
- FileG144 - 1960
- FileG145 - 1961-1962
- FileG146 - 1963-1964
- FileG147 - 1965
- FileG148 - 1966-1967
- 20 more...