GSL/COM/P/4/1/26
Referees’ report: John CRAWFORD [ CRAWFURD], 'Geological observations made on a voyage from...
[1823-1824]
GSL/L/R/3/315
Letter from John CRAWFURD
9 Jun 1838
LDGSL/838/C/81/1
Murchison correspondence: letter from John CRAWFURD
28 Jul 1867
LDGSL/838/C/81/2
29 Jul [1860s]