| Date Note | Written by Murchison immediately following his visit to Russia |
| Publication Note | Published as: Murchison, R I, Collie, M (ed.) and Diemer, J. (ed.) (2004) Murchison's Wanderings in Russia: his geological exploration of Russia in Europe and the Ural Mountains, 1840 and 1841. Keyworth: British Geological Survey. (British Geological Survey occasional publication, 2) |