Fedina, Irina. “Military-Administrative and Demographic Aspects of the Kuban Cossack Settlements Formation on The Adagum Cordon Line in the Trans-Kuban (1860s)”. Journal of Frontier Studies 8, no. 2 (May 15, 2023): 154-168. Accessed September 7, 2024. http://www.jfs.today/index.php/jfs/article/view/442.