GSL/L/R/12/13 | Letter from David William MITCHELL, Zoological Society of London | 4 Nov 1851 | |
GSL/L/R/12/89 | Letter from David William MITCHELL, Zoological Society of London | 12 Mar 1852 | |
GSL/L/R/12/119 | Letter from David William MITCHELL, Zoological Society of London | 3 Jun 1852 | |
GSL/L/R/12/147 | Letter from David William MITCHELL, Zoological Society of London | 16 Aug 1852 | |
GSL/L/R/12/166 | Letter from David William MITCHELL, Zoological Society of London | 8 Nov 1852 | |