GSL/L/R/5/180 | Letter from Alcide d'ORBIGNY | 9 Aug 1840 | |
GSL/L/R/9/104 | Letter from Alcide d'ORBIGNY | 20 May 1845 | |
GSL/L/R/9/341 | Letter from Alcide d'ORBIGNY | 6 Jul 1846 | |
GSL/L/R/10/52 | Letter from Alcide d'ORBIGNY | 24 Feb 1847 | |
GSL/L/R/11/4 | Letter from Alcide d'ORBIGNY | 18 Dec 1848 | |
GSL/L/R/11/156 | Letter from Alcide d'ORBIGNY | 7 Feb 1850 | |
LDGSL/507 | Lithograph, 'Tableau synoptique des terrains et des principales couches minerales qui constituent... | [1855] | |
LDGSL/838/G/1 | Murchison correspondence: letter from Albert GAUDRY | 23 Jul 1858 |
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LDGSL/838/H/29/14 | Murchison correspondence: letter from Leonard HORNER | 21 Jan 1847 | |
LDGSL/839/40 | Murchison fieldbooks & diaries: France | Apr-May 1828 | |