Columbia subject headings:
Harvard subject headings:
Camps--France--Marseille.
Catholic youth--France--Marseille--Societies and clubs.
Youth--France--Marseille--Social conditions.
Youth--Services for--France--Marseille.
Princeton subject headings:
Camps--France--Marseille.
Catholic youth--France--Marseille--Societies and clubs.
Youth--France--Marseille--Social conditions.
Youth--Services for--France--Marseille.