- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesG1-G190 - Correspondence
- SubseriesG130-G175 - Chronological Sequence
- 5 more...
- FileG135 - 1933-1934
- FileG136 - 1938-1939
- FileG137 - 1940-1941
- FileG138 - 1944-1949
- FileG139 - 1950-1951
- FileG140 - 1952
- FileG141 - 1953-1955
- FileG142 - 1956-1957
- FileG143 - 1958-1959
- 25 more...