1. Barandeev A.V. The history of place names: Russian toponymy in terms. 4nd edition. Moscow, 2017. (In Rus.)
2. Barandeev A.V. The history of toponyms – sovietism. In Russkii yazyk v shkole [Russian language at school]. 2017, No. 11, pp. 53–57. (In Rus.)
3. Barandeev A.V. Unsolved questions of spelling toponyms. In Russkii yazyk v shkole [Russian language at school]. 1983, No. 6, pp. 80–86. (In Rus.)
4. Barandeev A.V. On the benefits of the new edition of the Rules of Russian spelling for the spelling of toponyms. In Voprosy geografii. Sb. 132: Sovremennaya toponimika [Questions ofgeography . Sat 132: Contemporary toponymy]. Moscow, 2009, pp. 207– 214. (In Rus.)
5. Barinova I.I. Geography. Geography of Russia: Nature. grade 8: textbook. 5nd edition. Moscow, 2018. (In Rus.)