Columbia subject headings:
Hungary--Politics and government--19th century.
Hungary--Social conditions.
Middle class--Hungary--History--19th century.
Social classes--Hungary--History--19th century.
Harvard subject headings:
Hungary--Politics and government--19th century
Hungary--Social conditions
Middle class--Hungary--History--19th century.
Social classes--Hungary--History--19th century.
Princeton subject headings:
Hungary--Politics and government--19th century.
Hungary--Social conditions.
Middle class--Hungary--History--19th century.
Social classes--Hungary--History--19th century.