Columbia subject headings:
Constitutional law--France--Congresses.
Hamon, Léo--Congresses.
Political science--France--Congresses.
Harvard subject headings:
Constitutional law--France--Congresses
Hamon, Léo--Congresses.
Political science--France--Congresses.
Princeton subject headings:
Constitutional law--France--Congresses.
Hamon, Léo--Congresses.
Political science--France--Congresses.