Columbia subject headings:
Harvard subject headings:
Berg (Duchy)--Politics and government.
Berg (Duchy). Staatsrat.
Berg (Grand Duchy). Staatsrat.
Constitutional history--Berg (Grand Duchy).
Law--Germany--Berg (Duchy)--History.
Law--Germany--Berg (Grand Duchy)--French influences.
Legislation--Germany--Berg (Grand Duchy)--History--19th century.
Princeton subject headings:
Berg (Grand Duchy). Staatsrat.
Constitutional history--Germany--Berg (Grand Duchy).
Legislation--Germany--Berg (Grand Duchy)--History--19th century.
Rheinbund.