Columbia subject headings:
Labor movement--France--Historiography.
Labor movement--Great Britain--Historiography.
Labor movement--Research--France--Directories.
Labor movement--Research--Great Britain--Directories.
Harvard subject headings:
Labor movement--France--Historiography.
Labor movement--Great Britain--Historiography.
Labor movement--Research--France--Directories.
Labor movement--Research--Great Britain--Directories.
Princeton subject headings:
Labor movement--France--History.
Labor movement--Great Britain--History.