LDGSL/1107/A/1/15
General correspondence, 1975
1975
LDGSL/1107/A/1/16
General correspondence, 1976
1976
LDGSL/1107/A/1/18
General correspondence, 1978
1978
LDGSL/1107/A/1/23
General correspondence, 1983
1983
LDGSL/1107/B/2/17
Working file for "Earth strain tides observed in Yorkshire, England with a simple wire strain...
1972-1973