Columbia subject headings:
Civil law--History--Congresses.
Civil law--Philosophy--Congresses.
Law--Philosophy--Congresses.
Harvard subject headings:
Civil law--History--Congresses.
Civil law--Philosophy--Congresses.
Law--Philosophy--Congresses
Princeton subject headings:
Civil law--History--Congresses.
Civil law--Philosophy--Congresses.
Law (Philosophical concept)--Congresses.