1. Asad, T. (2003).Formations of the Secular – Christianity, Islam, Modernity. Stanford: Stanford University Press.
2. Beaman, L. G. & S. Tomlins (eds.) (2015).Atheist Identities - Spaces and Social Contexts.Cham: Springer International Publishing.
3. Berger, P. (1992). ‘The Desecularization of the World: A Global Overview’, Berger, P. (ed.) (1992):The Desecularization of the World.Michigan: William B. Eerdmans Publishing Company.
4. Berger, P. (2004). ‘Christianity and Democracy: The Global Picture’.Journal of Democracy, Volume 15, Number 2, April 2004, pp. 76–80.
5. Botvar, P. K. and U. Schmidt (2010). ‘Endringer i nordmenns religiøse liv’. In Botvar, and Schmidt (eds.) (2010),Religion i dagens Norge – Mellom sekularisering og sakralisering. Oslo: Universitetsforlaget.