LDGSL/1107/A/1/12
General scientific correspondence, 1972
1972
LDGSL/1107/A/1/13
General scientific correspondence, 1973
1973
LDGSL/1107/A/1/14
General correspondence, 1974
1973-1974
LDGSL/1107/A/1/15
General correspondence, 1975
1975
LDGSL/1107/B/2/17
Working file for "Earth strain tides observed in Yorkshire, England with a simple wire strain...
1972-1973