Columbia subject headings:
Professional sports--Economic aspects--Great Britain.
Professional sports--Great Britain--History--19th century.
Professional sports--Great Britain--History--20th century.
Harvard subject headings:
Professional sports--Economic aspects--Great Britain.
Professional sports--Great Britain--History--19th century.
Professional sports--Great Britain--History--20th century.
Princeton subject headings:
Professional sports--Economic aspects--Great Britain.
Professional sports--Great Britain--History--19th century.
Professional sports--Great Britain--History--20th century.