Herausgabe (mit Friedrich Schweitzer), Reconsidering the Boundaries Between Theological Disciplines / Zur Neubestimmung der Grenzen zwischen den theologischen Disziplinen, Münster: Lit, 2005.
The contributions of this volume reflect the shifting of boundaries between the theological disciplines of Systematic and Exegetical Theology on the one hand and between Practical Theology and Theological Ethics on the other.