* [http://www.spiegel.de/international/spiegel/0,1518,437587,00.html "Islam is a Different Culture"]. SPIEGEL ONLINE: Interview with [[w:Walter Kasper|Cardinal Walter Kasper]], September 18, 2006.
* [http://orthodoxengland.org.uk/islamwes.htm Islam and the West: Towards an Anti-Civilization]. Russian Orthodox Church Outside Russia: Diocese of Great Britain and Ireland website. ''(Argues that the so-called ‘clash of civilizations’ between the “west” and “islam” is not the real issue, rather, due to pervasive secularism, it is the clash between between “civilization” and “anti-civilization” that is the real threat).''