Columbia subject headings:
Catholic Church--Doctrines--History.
Church and state--History.
Democracy--Religious aspects--Catholic Church--History.
Harvard subject headings:
Catholic Church--Doctrines--History.
Church and state--History
Democracy--Religious aspects--Catholic Church--History.
Princeton subject headings:
Catholic Church--Doctrines--History.
Church and state--History.
Democracy--Religious aspects--Catholic Church--History.