https://www.dw.com/ru/kakie-vyvody-sdelaet-fsb-posle-rassledovanija-navalnogo/a-56085699
https://www.radiosvoboda.org/a/pidsumky-zelenskyy-donbas/31024251.html
https://www.radiosvoboda.org/a/news-yermak-normandska-zustrich-radnyky/31022906.html
https://www.radiosvoboda.org/a/perehovory-donbas-2021/31018550.html
https://novayagazeta.ru/articles/2020/12/28/88563-sssr-prodolzhaet-raspadatsya-30-let-spustya
http://www.kasparov.ru/material.php?id=5FE8D8B30D3FC