1. Barron, Robert (2007). Faith Clips, Word on Fire. DVD.
2. Behaviour & Attitudes (2016). RTE/Behaviour & Attitudes 2016 General Election Exit Poll, Behaviour & Attitudes.
3. Boeve, Leiven (2007). God Interrupts History: Theology in a Time of Upheaval, Continuum.
4. Braun, Virginia, and Clarke, Victoria (2013). Successful Qualitative Research: A Practical Guide for Beginners, Sage.
5. Bullivant, Stephen (2018). Europe’s Young Adults and Religion: Findings from the European Social Survey (2014–16) to Inform the 2018 Synod of Bishops, Benedict XVI Centre for Religion and Society, St. Mary’s University, London and Institut Catholique de Paris.