Columbia subject headings:
Great Britain--Politics and government--19th century.
Middle class--Political activity--Great Britain.
Radicalism--Great Britain--History--19th century.
Harvard subject headings:
Great Britain--Politics and government--19th century.
Middle class--Great Britain--Political activity.
Radicalism--Great Britain--History--19th century
Princeton subject headings:
Great Britain--Politics and government--19th century.
Middle class--Great Britain--Political activity.
Radicalism--Great Britain--History--19th century.