Columbia subject headings:
Harvard subject headings:
Germany (West)--Economic conditions--Moral and ethical aspects.
Industries--Social aspects--Germany--History--20th century.
Social change--Germany (West)--History--20th century.
Social values--Germany (West)--History--20th century.
Work--Moral and ethical aspects--Germany (West)--History.
Working class--Germany (West)--History--20th century.
Princeton subject headings:
Industries--Social aspects--Germany--History--20th century.
Social change--Germany (West)--History--20th century.
Social values--Germany (West)--History--20th century.
Work--Moral and ethical aspects--Germany (West)--History.
Working class--Germany (West)--History--20th century.