Member of the European Union "Republic of Ireland Act, 1948". No. 22/1948. 1948. Retrieved 2008-12-16.  "An tAcht Phoblacht na hÉireann, 1948". Uimhir 22 de 1948. 1948. Retrieved 2008-12-16.  United States CIA World Factbook -- Netherlands Àṣìṣe ìtọ́kasí: <ref> tags exist for a group named "n", but no corresponding <references group="n"/> tag was found