Pellew, Jill (June 1989). “The Home Office and the Aliens Act, 1905”. The Historical Journal (Cambridge University Press) 32 (2): 369. doi:10.1017/s0018246x00012206. JSTOR2639607.
“Ireland-UK Accord to Further Secure the 共通旅行区域”. Irish Naturalisation and Immigration Service. 2020年7月7日閲覧。 “The Joint Statement and the accompanying Memorandum of Understanding on visa data exchange was signed by Minister for Justice, Equality and Defence, Alan Shatter, T.D. and UK Immigration Minister, Damien Green, M.P., in Dublin today.”
Pellew, Jill (June 1989). “The Home Office and the Aliens Act, 1905”. The Historical Journal (Cambridge University Press) 32 (2): 369. doi:10.1017/s0018246x00012206. JSTOR2639607.
Minister for Justice, Nora Owen, Dáil Debates volume 450 column 1171 (14 March 1995) [3]; Minister for Justice, John O'Donoghue, Dáil Debates volume 501 column 1506 (9 March 1999)[4]; "Declaration by Ireland on Article 3 of the Protocol on the position of the United Kingdom and Ireland" attached to the Treaty of Amsterdam.