GSL/MUS/1/1/125 | Museum Letters & Lists: 'Section of beds in Teesdale and Swaledale' | [post 1816] | |
LDGSL/3/19 | Section of beds in Monkwearmouth coal pit | 1831 | |
LDGSL/54/1 | Drawings of Coal Measure plants from the Northumberland and Durham coal-field | [1827] | |
LDGSL/56/3/1 | Geological notes on 'A new map of the County of Durham' | 1818 | |
LDGSL/82/2 | Sketches of sections showing dykes in Whitley Quarry and Walbottle Dean | [c.1814] | 
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LDGSL/540 | Engravings of geological features in Cumberland and Durham | 1782-[1794] | 
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LDGSL/613/2/27/2 | Watercolour of Palaeoniscus comtus Agassiz | [1834-1843] | 
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LDGSL/613/3/21/1 | Watercolour of the teeth of Pygopterus mandibularis Agassiz | [1835] | 
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LDGSL/613/3/21/2 | Watercolour of the jaws of Pygopterus mandibularis Agassiz | [1835] | 
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LDGSL/613/3/21/3 | Drawing of the scales of Pygopterus mandibularis Agassiz | [1835] | 
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