LDGSL/2
Letters submitted to the Society, 1811-1815
1811-1815
LDGSL/2/2
'On the probable origin of certain trap rocks'
[1816]
LDGSL/3/2
'Extract from Von Buch's travels in Silesia'
[c.1809]
LDGSL/3/13
'On whin dykes and trap'
[1815]
LDGSL/3/13a
Extract from a letter on the origin of basalt
6 Dec 1814
LDGSL/3/17
‘On some specimens from Finbo, Sweden'
[1817]