Columbia subject headings:
Labor movement--Argentina--History--Bibliography.
Labor movement--Argentina--History--Sources--Bibliography.
Labor unions--Argentina--History--Bibliography.
Labor unions--Argentina--History--Sources--Bibliography.
Harvard subject headings:
Princeton subject headings:
Argentina--Archival resources--France--Paris region.
Argentina--Bibliography--Union lists.
Labor movement--Argentina--Bibliography--Union lists.
Union catalogs--France--Paris region.