https://www.ft.com/content/020de965-429e-4fb9-9eed-f7e4370514b3
https://jamestown.org/program/the-kremlin-is-pleased-after-kozak-nuland-talks-on-ukraine-part-two/
https://jamestown.org/program/the-kremlin-is-pleased-after-kozak-nuland-talks-on-ukraine-part-one/
https://jamestown.org/program/russias-cossacks-strategic-asset-or-financial-liability/
https://jamestown.org/program/a-war-and-peace-visit-to-moscow/
https://www.rbc.ru/newspaper/2021/10/14/6165835c9a7947294a7b174f
https://www.rbc.ru/newspaper/2021/10/07/615da0ca9a7947e2cd6453c1