GSL/L/R/5/180 | Letter from Alcide d'ORBIGNY | 9 Aug 1840 | |
GSL/L/R/9/113 | Letter from Alcide d'ORBIGNY | 20 May 1845 | |
GSL/L/R/9/410 | 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/11/6 | Letter from Daniel SHARPE | 28 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 | 
|
LDGSL/838/H/29/14 | Murchison correspondence: letter from Leonard HORNER | 21 Jan 1847 | |