GSL/POR/56/33 | Portrait of Sir Humphrey DAVY | [?1830s] | 
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GSL/POR/56/34 | Portrait of Sir Humphrey DAVY | 1829 | 
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GSL/POR/56/35 | Portrait of Humphrey DAVY | [1827] | 
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LDGSL/838/E/1/1 | Murchison correspondence: letter from Sir Philip de Malpas Grey EGERTON | 1830 | 
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LDGSL/841/6 | Murchison autobiographical journals: Commencement of scientific life | 1825-1826 | |
LDGSL/947/2/1 | 'Papers connected with the Geological Society' | [1848-1849] | |