https://ukandeu.ac.uk/explainers/the-european-political-community/
https://www.socialeurope.eu/germany-happens-next
https://www.feps-europe.eu/attachments/publications/our_european_future_ipdf%201.pdf
http://www.bsa.natcen.ac.uk/latest-report/british-social-attitudes-34/key-findings/context.aspx?_ga=2.25464057.552181158.1498632950-1412959047.1496247036