https://static1.squarespace.com/static/5ef4d1da53822a571493ebd0/t/5ffcfaea93e2771243fce2ff/1610414842497/A-Wealth-Tax-For-The-UK.pdf
http://www.oecd-ilibrary.org/docserver/download/5jlv2jhfnt48-en.pdf?expires=1494939516&id=id&accname=guest&checksum=08592067325A17BFB82AC6F6E15110B2
https://www.greatbritishpolitics.co.uk/europe/654-dual-nationality-and-the-hurdles-facing-britons-who-want-to-keep-eu-citizenship-after-brexit.html