Columbia subject headings:
Harvard subject headings:
Jeunesse ouvrière chrétienne (France)--History.
Labor--France--Religious aspects--Christianity--History.
Labor--Religious aspects--Christianity--France--History.
Youth--Employment--France--History.
Princeton subject headings:
Jeunesse ouvrière chrétienne (France)--Anniversaries, etc.
Labor--Religious aspects--Christianity--France--History--20th century.
Working class--France--History--20th century.
Youth--Employment--France--History--20th century.