2016, Article in monograph or in proceedings (Duyndam, J.;Korte, A.J.A.C.M.;Poorthuis, M.J.H.M. (ed.), Sacrifice in Modernity: Community, Ritual, Identity. Fromn Nationalism and Nonviolence to Health Care and Harry Potter, pp. 221-229)
2011, Part of book or chapter of book (Ajouaou, M.;Borgman, E.;Valkenburg, P. (ed.), Islam in Nederland. Theologische bijdragen in tijden van secularisering, pp. 99-120)
2011, Article in monograph or in proceedings (Duyndam, J.;Riessen, R. van (ed.), Proceedings of the International Memorial Conference in Honour of Nasr Abu Zayd: How can a Humanistic Approach to Islam Be Realized?, pp. 3-4)