Columbia subject headings:
Harvard subject headings:
Archives départementales du Val-de-Marne--Catalogs.
Confédération générale du travail--History--Sources--Bibliography--Catalogs.
Labor unions--France--Val-de-Marne--History--Sources--Bibliography--Catalogs.
Police--France--Val-de-Marne--History--Sources--Bibliography--Catalogs.
Princeton subject headings:
Confédération générale du travail--History--Sources.
Labor unions--France--History--Sources.