Columbia subject headings:
Harvard subject headings:
Democracy--Silesia--History--19th century.
Democracy--Silesia--History.
Prussia (Germany)--History--Revolution, 1848-1849.
Silesia--History--19th century.
Silesia--History--Revolution, 1848-1849.
Silesia--Politics and government--19th century.
Silesia--Politics and government--History--19th century.
Princeton subject headings:
Silesia--History--Revolution, 1848-1849.