, 2014, Kelsen's legal positivism and the challenge of Nazi law, in M. C. Galavotti, E. Nemeth & F. Stadler (eds.), European philosophy of science, Dordrecht, Springer, pp. 223-240.
, 2009, Humean sources of normativity, in C. R. Pigden (ed.), Hume on motivation and virtue, Basingstoke, Palgrave Macmillan, pp. 186-207.
, 1994, Kant and social sentiments, in H. Pauer Studer (ed.), Norms, values, and society, Dordrecht, Springer, pp. 279-288.
, 1990a, 'Feministische Philosophie', Grazer Philosophische Studien 38, 228-231.