Columbia subject headings:
Harvard subject headings:
Labor unions--France--Comines--History--Pictorial works.
Labor unions--France--Comines--History.
Union locale C.G.T. de Comines--History--Pictorial works.
Union locale C.G.T. de Comines--History.
Princeton subject headings:
Labor unions--France--Comines--History--Pictorial works.
Labor unions--France--Comines--History.
Union locale C.G.T. de Comines--History--Pictorial works.
Union locale C.G.T. de Comines--History.