Nicholas Griffin
The independence of sosein from sein
1979
Grazer Philosophische Studien 9
Russell's critique of Meinong's theory of objects
1985
Grazer Philosophische Studien 25
Russell and Leibniz on the classification of propositions
2012
in: New essays on Leibniz reception, Dordrecht : Springer
2018
Synthese 195/12