
https://perspectivecatholique.ch/affaire-jacques-baud-entre-sanctions-europeennes-et-reaction-tardive-de-la-suisse/

https://blogs.lse.ac.uk/brexit/2019/10/09/northern-ireland-depends-on-the-eus-fluid-borders-for-survival/

https://www.lobbycontrol.de/2021/06/weitere-kritik-am-wirtschaftsrat-der-cdu/?pk_source=nl&pk_campaign=20210617