
https://edition.cnn.com/2021/09/21/politics/read-eastman-memo/index.html

http://www.ecfr.eu/page/-/ECFR_215_GERMANY_VOTES_EUROPEAN_DILEMMAS_IN_THE_FEDERAL_ELECTION.pdf

http://blogs.lse.ac.uk/brexit/2018/05/15/switzerland-wanted-more-immigration-controls-but-economic-self-interest-will-probably-prevail/