
https://www.lobbycontrol.de/parteienfinanzierung/parteispenden-deutschland-ist-das-intransparenteste-land-in-europa-115718/

https://www.propublica.org/article/clarence-thomas-scotus-undisclosed-luxury-travel-gifts-crow

https://www.brookings.edu/wp-content/uploads/2017/05/more-professionalism-less-populism.pdf