https://jamestown.org/program/clashes-intensify-between-moscow-and-circassians-on-key-issues/
https://www.rbc.ru/newspaper/2021/10/04/6157139c9a79478b74d9a463
https://www.rosbalt.ru/world/2021/09/22/1922421.html
https://novayagazeta.ru/articles/2021/09/18/pereproshitaia-rossiia
https://www.kommersant.ru/doc/4988008
https://novayagazeta.ru/articles/2021/09/11/ukraintsam-nado-gotovitsia-k-prekrashcheniiu-tranzita