https://www.dw.com/ru/marat-gelman-problema-putina-pohozha-na-problemu-stalina/a-59758710
https://www.dw.com/ru/kommentarij-putinskaja-vertikal-pridet-v-kazhduju-derevnju/a-59775204
https://www.svoboda.org/a/bytj-li-samoderzhaviyu-v-rossii-vechnym/31542982.html
https://www.svoboda.org/a/zachem-kremlj-usilivaet-vertikalj-vlasti/31541230.html
http://region.expert/deception/
https://jamestown.org/program/russias-cossacks-strategic-asset-or-financial-liability/