Conversations on mineralogy. In Russian /Besedy po mineralogii. A manual for teachers of folk schools in explaining mineralogical collections. Tver. Tver province. Circulation not specified. 1904. 64 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb95f9be6d782edb4a.