GSL/L/R/22/12
Letter from John Walter GREGORY
13 Dec 1928
GSL/POR/44/27-03
Portrait of John Walter GREGORY
[1877-1890]
GSL/POR/44/28-04
GSL/POR/53/54
[1920s-1930s]
GSL/PUB/JGS/2/2/91
Referees' reports: Ernest PARSONS, "Geology of the Upper Pangani Valley, Tanganyika Territory"
1931
LDGSL/1082
Criticisms of Archibald Geikie's autobiography
1924-1925