Columbia subject headings:
Authority--Religious aspects--Catholic Church.
Catholic Church--History--20th century.
Harvard subject headings:
Authority--Religious aspects--Catholic Church.
Catholic Church--History--20th century.
Princeton subject headings:
Authority--Religious aspects--Catholic Church.
Catholic Church--Discipline.
Catholic Church--Netherlands--History--20th century.
Netherlands--Church history--20th century.
Religious pluralism--Catholic Church.