Columbia subject headings:
Labor movement--Germany--Rhineland--History--19th century.
Labor movement--Germany--Rhineland--History--20th century.
Women employees--Germany--Rhineland--History--19th century.
Women employees--Germany--Rhineland--History--20th century.
Harvard subject headings:
Labor movement--Germany--Rhineland--History--19th century.
Labor movement--Germany--Rhineland--History--20th century.
Women employees--Germany--Rhineland--History--19th century.
Women employees--Germany--Rhineland--History--20th century.
Princeton subject headings:
Catholic Church--Germany--Rhineland--History--19th century.
Catholic labor unions--Germany--Rhineland.
Catholic women--Germany--Rhineland--History.
Church and social problems--Germany--Catholic Church.
Church work with employed women--Germany--Rhineland--History.
Women--Employment--Germany--Rhineland.