, 2004, 'After the terror', Philosophy and Phenomenological Research 69 (1), 244-246.
with Autenne, A. , 2003, 'L'argument d'interférence minimale contre la peine capitale', Revue philosophique de Louvain 101 (1), 138-150.
, 2001, "Anarchical fallacies": bentham's attack on human rights, in I. Carter & M. Ricciardi (eds.), Freedom, power and political morality, Basingstoke, Palgrave Macmillan, pp. 134-152.
, 1970a, Rights as claims, reasons and needs, in L. Gabriel (ed.), Sektionen X-XIII, Freiburg-Basel-Wien, Herder, pp. 132-136.