Columbia subject headings:
Canon law--Congresses.
Church and state--Congresses.
Islamic law--Congresses.
Religion and law--Congresses.
Harvard subject headings:
Canon law--Congresses.
Church and state--Congresses
Islamic law--Congresses.
Religion and law--Congresses.
Princeton subject headings:
Canon law--Congresses.
Church and state--France--Congresses.
Ecclesiastical law--France--Congresses.
Freedom of religion--France--Congresses.
Islamic law--Arab countries--Congresses.
Religion and law--Congresses.