GSL/POR/53/29 | Portrait of Peter Martin Duncan | [1880s] | 
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LDGSL/14/DUNCAN | Letter from Peter Martin DUNCAN, to Leonard Horner | 12 Nov 1863 | |
LDGSL/239 | Geological map and sections of Jamaica | [1864] | 
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LDGSL/802/1/DUNCAN | Letters from Peter Martin DUNCAN to Charles Moore | 1881 | |
LDGSL/802/1/DUNCAN/1 | Letter from Peter Martin DUNCAN to Charles Moore | 16 Feb 1881 | |
LDGSL/802/1/DUNCAN/2 | Letter from Peter Martin DUNCAN to Charles Moore | 2 Aug 1881 | |
LDGSL/802/1/DUNCAN/3 | Letter from Peter Martin DUNCAN to Charles Moore | 12 Sep 1881 | |
LDGSL/838/D/28 | Murchison correspondence: letter from Peter Martin DUNCAN | 10 Dec 1867 | |