with Falck Saghaug, K. , 2018, Theological perspective on entrepreneurship, in R. V. Turcan & N. M. Fraser (eds.), The Palgrave handbook of multidisciplinary perspectives on entrepreneurship, Dordrecht, Springer, pp. 479-502.
, 2017, Why Heidegger didn't like catholic theology: the case of Romano Guardini, in M. Björk & J. Svenungsson (eds.), Heidegger's Black notebooks and the future of theology, Basingstoke, Palgrave Macmillan, pp. 77-98.
, 2013, Hegelianism in Denmark, in L. Herzog (ed.), Hegel's thought in Europe, Dordrecht, Springer, pp. 93-105.
, 1999a, Anxious angels: a retrospective view of religious existentialism, Palgrave Macmillan, Basingstoke.