https://ukandeu.ac.uk/boris-johnsons-brexit-deal-whats-in-it-and-how-is-it-different-to-theresa-mays-version/
https://blogs.lse.ac.uk/brexit/2019/12/03/a-missed-opportunity-revisiting-the-euro-referendum-that-never-was-from-a-historical-perspective/
https://openeurope.org.uk/today/blog/what-would-a-no-deal-after-the-transition-period-look-like/
https://www.cer.eu/sites/default/files/insight_SL_5.11.19_2.pdf
https://www.politico.eu/article/9-slippery-brexit-pledges/?utm_source=POLITICO.EU&utm_campaign=39a5c3d811-EMAIL_CAMPAIGN_2019_11_01_05_51&utm_medium=email&utm_term=0_10959edeb5-39a5c3d811-190380769
https://ec.europa.eu/commission/sites/beta-political/files/revised_withdrawal_agreement_including_protocol_on_ireland_and_nothern_ireland.pdf
https://blogs.lse.ac.uk/brexit/2019/10/09/northern-ireland-depends-on-the-eus-fluid-borders-for-survival/
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836116/Explanatory_Note_Accessible.pdf
http://2ihmoy1d3v7630ar9h2rsglp-wpengine.netdna-ssl.com/wp-content/uploads/2019/09/190926-Brexit-and-the-Belfast-Good-Friday-Agreement-Final-report.pdf
https://ec.europa.eu/commission/sites/beta-political/files/outline_of_the_political_declaration.pdf