Columbia subject headings:
Harvard subject headings:
Employers' associations--Germany--Siegerland--History.
Germany--Economic conditions--1888-1918.
Germany--Economic conditions--1918-1945.
Industrial relations--Germany--Siegerland--History.
Metal-workers--Germany--Siegerland--History.
Verband der Siegerländer Metallindustriellen--History.
Princeton subject headings:
Employers' associations--Germany--Siegerland--History.
Germany--Economic conditions--1888-1918.
Germany--Economic conditions--1918-1945.
Industrial relations--Germany--Siegerland--History.
Metal-workers--Germany--Siegerland--History.
Verband der Siegerländer Metallindustriellen--History.