https://www.rosbalt.ru/blogs/2021/10/22/1927577.html
https://theins.ru/antifake/245885
https://jamestown.org/program/putins-brutal-letter-to-ukraine-under-medvedevs-byline/
https://analytics.hvylya.net/239454-bezrodnye-kosmopolity-medvedev-i-antisemitizm
https://lansinginstitute.org/2021/10/12/russian-intelligence-focus-in-bulgaria/