
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680185/Governor_letter_to_CX_-_Feb_2018.pdf

https://www.socialeurope.eu/how-to-treat-german-democracys-malaise

http://www.diw.de/documents/publikationen/73/diw_01.c.562050.de/17-29.pdf