Geological Survey Office. Entrybook of correspondence, 1867-1880 Unit ID: GSM1/9 Date: 1867/1880 Physical Description: 8 items
Geological Survey Office. Entrybook of correspondence, May 1845-November 1847 Unit ID: GSM1/4 Date: 1845-05/1847-11 Physical Description: 8 items
Geological Survey Office. Entrybooks of correspondence, 1859-1866 Unit ID: GSM1/8 Date: 1859/1866 Physical Description: 15 items
Geologists Papers. H.H. Thomas, 1913-1915 Unit ID: GSM1/453 Date: 1913/1915 Physical Description: 3 items