S.Hamilton, “The Virgin Mary in Cathar Thought”, JEH, 56 (2005), 24–49, особенно 34, 37, 48.

См., например: P.Preston, “Cardinal Cajetan and Fra Ambrosius Catharinus in the Controversy over the Immaculate Conception of the Virgin in Italy, 1515–1551”, в книге: Swanson (ed.), The Church and Mary, 181–190. О Бернарде см.: B.Sella, “Northern Italian Confraternities and the Immaculate Conception in the Fourteenth Century”, JEH, 49 (1998), 599–619, на с. 601–602.