Columbia subject headings:
Conciliar theory--History.
Council of Pisa (2nd : 1511-1512)
Papacy--History--1447-1565.
Harvard subject headings:
Catholic Church--Government.
Conciliar theory--History.
Council of Pisa (2nd : 1511-1512)
Papacy--History--1447-1565
Princeton subject headings:
Church renewal--Catholic Church--History.
Conciliar theory--History.
Councils and synods, Ecumenical--History.
Papacy--History--1447-1565.