
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_customs_WEB.pdf

https://www.conservativehome.com/thecolumnists/2018/02/alex-morton-its-time-to-turn-the-department-for-international-development-into-a-department-for-humanitarian-relief.html

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/621848/60093_Cm9464_NSS_SDR_Web.pdf