The Theology of Joseph Ratzinger : An Introductory Study - Nichols, Aidan. (OLS)http://ftis/name/57465 (T & T Clark International,, 1988)

Die Wunder Jesu in Exegese und Verkündigung - Fuller, Reginald H. (OLS)http://ftis/name/73895 (Patmos Verlag,, 1967)