Columbia subject headings:
Harvard subject headings:
Blue collar workers--Great Britain.
Division of labor--Social aspects--Great Britain.
Industrial relations--Great Britain
Industrial sociology--Great Britain.
Occupations--Social aspects--Great Britain.
Social structure--Great Britain.
White collar workers--Great Britain.
Princeton subject headings:
Blue collar workers--Great Britain.
Division of labor--Social aspects--Great Britain.
Industrial relations--Great Britain.
Industrial sociology--Great Britain.
Occupations--Social aspects--Great Britain.
Social structure--Great Britain.
White collar workers--Great Britain.