J. Thomas Cook
Leibniz on creation: a contribution to his philosophical theology
2008
in: Leibniz, Dordrecht : Springer
Leibniz and Hegel on language
1974
in: Hegel and the history of philosophy, Dordrecht : Springer
Hegel's theory of signification and the origin of dialectic
1970
in: Sektionen X-XIII, Freiburg-Basel-Wien : Herder