http://cdn.budgetresponsibility.org.uk/July_2017_Fiscal_risks.pdf
http://www.lawsociety.org.uk/news/stories/leaving-in-an-orderly-fashion-our-approach-to-brexit/
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/665871/December_-_Joint_technical_note_on_the_comparison_of_EU-UK_positions_on_citizens__rights.pdf
http://www.lawyersforbritain.org/eu-deal-financial-liabilities.shtml