GSL/L/R/1/65 | Letter from Peter John MARTIN | 20 Jun 1834 | |
GSL/L/R/1/119 | Letter from the BRISTOL INSTITUTION | 2 Oct 1834 | |
GSL/L/R/1/153 | Letter from William HUTTON | 9 Jan 1835 | |
GSL/L/R/1/320 | Letter from Roderick Impey MURCHISON | 7 Nov [1835] | |
GSL/L/R/2/2 | Letter from David WILLIAMS | 24 Aug 1835 | |
GSL/L/R/2/7 | Letter from George CUMBERLAND | 12 Oct 1835 | |
GSL/L/R/2/30 | Letter from David WILLIAMS | 23 Jun 1835 | |
GSL/L/R/6/9 | Letter from Jean Rudolphe Louis AGASSIZ | 1840 | |
GSL/L/R/6/32 | Letter from William John HAMILTON | 6 Nov 1840 | |
GSL/L/R/6/37 | Letter from Jean Rudolphe Louis AGASSIZ | 2 Sep 1840 | |