Columbia subject headings:
Businessmen--Great Britain.
Informal sector (Economics)--Great Britain.
Small business--Great Britain.
Working class--Great Britain.
Harvard subject headings:
Businessmen--Great Britain--History--19th century.
Informal sector (Economics)--Great Britain--History--19th century.
Small business--Great Britain--History--19th century.
Working class--Great Britain--History--19th century
Princeton subject headings: