https://jamestown.org/program/clashes-intensify-between-moscow-and-circassians-on-key-issues/
https://www.rosbalt.ru/world/2021/09/22/1922421.html
https://www.rbc.ru/newspaper/2021/09/23/614a05889a7947146622a368
https://novayagazeta.ru/articles/2021/09/11/ukraintsam-nado-gotovitsia-k-prekrashcheniiu-tranzita
http://www.kasparov.ru/material.php?id=613900530B375§ion_id=444F8A447242B
https://novayagazeta.ru/articles/2021/09/08/mne-by-slavian
https://www.rosbalt.ru/blogs/2021/09/06/1919800.html