Conflict at Colossae : a problem in the interpretation of Early Christianity illustrated by selected and modern studies - Meeks, Wayne A. (OLS)http://ftis/name/52140; Francis, Fred O. (OLS)http://ftis/name/74956 (Society of Biblical Literature, Scholars Press,, 1975)

Papa Giovanni 23. chierico e sacerdote a Bergamo : 1892-1921 - Benigni, Mario. (OLS)http://ftis/name/65942 (Glossa,, 1998)
Sul front.: Centro Studi Giovanni XXIII, Fondazione L.F. Capovilla.

5: Dogma und Dogmenentwicklung - Söll, Georg. (OLS)http://ftis/name/69055 (1 Das Dasein im Glauben, 1971)