Columbia subject headings:
Hours of labor--Great Britain.
Labor economics--Great Britain.
Thirty-five hour week--Great Britain.
Workweek--Great Britain.
Harvard subject headings:
Hours of labor--Great Britain
Labor economics--Great Britain.
Thirty-five hour week--Great Britain.
Workweek--Great Britain.
Princeton subject headings:
Hours of labor--Europe.
Hours of labor--Great Britain.
Labor economics--Europe.
Labor economics--Great Britain.