Educational book of geography: the first department: the preparatory course / comp. Alexander Ditman. - 2nd ed. and corrected. -Saint-Petersburg: to the type. Edward Pratz, 1854. -73 p. - On the region. in sub-heading: Course one. Stamp of the library of the Naval Ministry. - The stamp of the library of the Geographical Department.
1. Territory of Russia (collection). 2. Physical Geography - Educational Editions.