https://www.wsj.com/articles/putin-and-consequences-11618266935
https://www.sueddeutsche.de/meinung/ukraine-russland-krieg-donbass-1.5261322
https://ru.krymr.com/a/zahvat-slavyanska-girkin-2014-donbass/30548764.html
https://www.radiosvoboda.org/a/news-kuleba-lyst-ministram-es-donbas/31199479.html
https://www.radiosvoboda.org/a/mh17-novi-zapysy/31200119.html
https://www.inopressa.ru/article/12Apr2021/sueddeutsche/donbass.html
https://ru.krymr.com/a/romanenko-donbass-obostreniye-strategiya-rossii/31197973.html
https://www.radiosvoboda.org/a/news-rosia-viyskovi-gur/31199843.html