LDGSL/614/3/134/a
Sketches of 'Doricthyolites [sic] from the Coal Measures' [Gyracanthus alwicensis Agassiz]
[1834-1838]
LDGSL/838/N/12
Murchison correspondence: letter from Charlotte-Florentia Percy, Duchess of NORTHUMBERLAND
28 Oct 1838