
http://www.express.co.uk/news/uk/840143/DNA-English-villages-foreigners-residents-study

https://www.associationofcatholicpriests.ie/2018/08/speeches-by-an-taoiseach-mr-leo-varadkar-and-pope-francis-in-dublin-castle/

https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef20058en.pdf