Title: The Vatican Council and Christian unity
Subjects: Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano) Decretum de oecumenismo, Vatican Council (2nd : 1962-1965 : Basilica di San Pietro in Vaticano). Decretum de oecumenismo. http://id.loc.gov/authorities/names/n90680393, Concile du Vatican (2e : 1962-1965). Decretum de œcumenismo, Vatican Council (2nd : 1962-1965). Decretum de oecumenismo