Hans Knippenberg, "Secularization in the Netherlands in its historical and geographical dimensions," GeoJournal (1998) 45#3 pp 209–220. onlineArchived 2 May 2023 at the Wayback Machine
Tomáš Sobotka and Feray Adigüzel, "Religiosity and spatial demographic differences in the Netherlands" (2002) onlineArchived 15 November 2012 at the Wayback Machine
van Beek, Marije (16 January 2015). "Ongelovigen halen de gelovigen in". Dossier Religie. der Verdieping Trouw. Archived from the original on 9 May 2015. Retrieved 21 April 2015.
van Beek, Marije (16 January 2015). "Ongelovigen halen de gelovigen in". Dossier Religie. der Verdieping Trouw. Archived from the original on 9 May 2015. Retrieved 21 April 2015.
Hans Knippenberg, "Secularization in the Netherlands in its historical and geographical dimensions," GeoJournal (1998) 45#3 pp 209–220. onlineArchived 2 May 2023 at the Wayback Machine
Tomáš Sobotka and Feray Adigüzel, "Religiosity and spatial demographic differences in the Netherlands" (2002) onlineArchived 15 November 2012 at the Wayback Machine