GSL/L/R/1/208
Letter from Thomas BELL
Apr 1835
GSL/L/R/1/224
[1835]
GSL/L/R/1/230
GSL/L/R/1/331
6 Nov [1835]
GSL/L/R/2/148
25 Jun 1836
GSL/L/R/3/81
19 May 1837
GSL/L/R/12/25
Letter from Thomas BELL, Royal Society
28 Nov 1851
GSL/L/R/12/71
14 Feb 1852
GSL/L/R/12/113
14 May 1852
GSL/L/R/12/176
26 Nov 1852