Columbia subject headings:
Catholic Church--History.
Catholic Church. Council of Lyons (1st : 1245)
Council of Constance (1414-1418 : Konstanz, Germany)
Harvard subject headings:
Catholic Church--History.
Catholic Church. Council of Lyons (1st : 1245)
Council of Constance (1414-1418 : Konstanz, Germany)
Princeton subject headings: