Columbia subject headings:
Harvard subject headings:
Germany--History--Revolution, 1848-1849.
Prussia (Germany)--History--Revolution, 1848-1849.
Social movements--Germany--History--19th century.
Princeton subject headings:
Germany--History--Revolution, 1848-1849.
Prussia (Germany)--History--Revolution, 1848-1849.
Social movements--Germany--History--19th century.