
https://www.lobbycontrol.de/lobbyismus-in-der-eu/nach-katargate-fortschritte-und-blockaden-bei-neuen-regeln-fuer-eu-abgeordnete-111593/

https://www.parliament.uk/documents/commons-committees/culture-media-and-sport/Chris%20Wylie%20Background%20papers.pdf

https://www.nytimes.com/2021/01/09/magazine/trump-coup.html?searchResultPosition=1