Bibliographie
The Anabaptist View of the Church,
Boston 1958
Anabaptists
Martin Bucers Hermeneutik,
(Quellen und Forschungen zur Reformationsgeschichte 32),
Gütersloh 1965
« The Apostle Paul and the Introspective Conscience of the West »,
HthR 56
(1963), p. 199–215