LDGSL/28
'The Pamir Earthquake of 1911 and its consequences...' [English translation]
15 May 1922
LDGSL/947/4/1/4
Greenough's 'Asia Provinces'
[1840s]
LDGSL/1008/151
Geological colour on Map of Asia
1832
LDGSL/1008/152
Geological colouring on 'Carte de l'Asie Central...'
1836