GSL/L/R/19/125 | Death announcement of Jean-Baptiste-Julien d’Omalius d’Halloy | 16 Jan 1875 | |
LDGSL/614/1/79b-c | Pencil sketches and rubbing of the ornament of a scale of Holoptychius Omaliusii Agassiz | [?1835] | 
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LDGSL/615/36/2 | Drawing of a scale of Holoptychius omaliusii Agassiz | [1835-1845] | 
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LDGSL/838/O/3 | Murchison correspondence: letter from Jean-Baptiste Julian d' OMALIUS D'HALLOY | 17 Jun 1845 | |
LDGSL/947/1/FITTON/1 | Letter from William Henry FITTON to George Bellas Greenough | 27 Nov 1822 | |
LDGSL/947/1/FITTON/5 | Letter from William Henry FITTON to George Bellas Greenough | 12 Jan 1823 | |