Wolfgang Carl
in English
XWittgenstein's refutation of scepticism in "On certainty"
1995
in: Wittgenstein, Dordrecht : Springer

Objectivity and realism
1994
in: Kant and contemporary epistemology, Dordrecht : Springer

Comment on Rorty
1979
in: Transcendental arguments and science, Dordrecht : Springer
