
http://futurion.se/wp-content/uploads/2018/03/Futurion_Rapport_2018-1_webb.pdf

https://www.instituteforgovernment.org.uk/blog/wales-act-new-dawn-welsh-devolution

https://www.secours-catholique.org/sites/scinternet/files/publications/rapport_revenusans_contreparties.pdf