GSL/L/R/2/267 | Letter from William Edmond LOGAN | 21 Jan 1837 | |
GSL/L/R/6/20 | Letter from William Edmond LOGAN | 23 Jul 1840 | |
GSL/L/R/7/190 | Letter from William Edmond LOGAN | 30 Jul 1842 | |
GSL/L/R/7/191 | Letter from William Edmond LOGAN | 26 Jul 1842 | |
GSL/L/R/10/46 | Letter from William Edmond LOGAN | 28 Jan 1847 | |
GSL/L/R/11/335 | Letter from William Edmond LOGAN | 14 Apr 1851 | |
LDGSL/123 | Geological sections through the coalfield of Pennsylvania | [1841] | |
LDGSL/254 | Ink drawings of magnified portions of Eozoon from the Laurentian of Canada | [1867] | |
LDGSL/838/H/27 | Murchison correspondence: letter from George William HOPE | 2 Apr 1842 | |
LDGSL/838/L/12 | Murchison correspondence: letter from William Edmond LOGAN | 1856, 1867 | |