LDGSL/1/12 | Extract of a letter on fine minerals in Robert Meade's collection | Jun 1810 | |
LDGSL/1/13 | Extract of a letter on observations made on a tour through North America | 16 Mar 1811 | |
LDGSL/3/6 | 'On the geology of North America' | 24 Jun 1810 | |
LDGSL/735 | Geological map of the United States | [1817] | |
LDGSL/736 | Geological maps of the USA and New Mexico | 1858 | |
LDGSL/947/6/T/2 | Geological colouring on Arrowsmith's 'A Map exhibiting all the new discoveries in the interior... | [1818-1851] | |