Storia ecumenica della Chiesa - Kottje, Raymund. (OLS)http://ftis/name/53866; Wolf, Hubert. (OLS)http://ftis/name/52893; Kaufmann, Thomas. (OLS)http://ftis/name/55730; Moeller, Bernd. (OLS)http://ftis/name/54885 (Queriniana, 2009)