, 2018, Arthur Schopenhauer: humor and the pitiable human condition, in L. Moland (ed.), All too human, Dordrecht, Springer, pp. 89-104.
, 2014a, Schopenhauer's transcendental idealism and the neutral nature of will, in M. C. Altman (ed.), The Palgrave handbook of German idealism, Dordrecht, Springer, pp. 723-743.