Columbia subject headings:
Christianity and law--History--Congresses.
Church and state--Catholic Church--History--Congresses.
Church and state--France--History--Congresses.
Church and state--History--Congresses.
Religion and law--History--Congresses.
Secularism--History--Congresses.
Harvard subject headings:
Christianity and law--Catholic Church--History--Congresses.
Church and state--Catholic Church--History--Congresses.
Church and state--France--History--Congresses.
Church and state--History--Congresses.
Religion and law--History--Congresses.
Secularism--History--Congresses.
Princeton subject headings: