Columbia subject headings:
Social classes--Great Britain--Statistics.
Social classes--Research--Great Britain.
Harvard subject headings:
Great Britain--Economic conditions--1997---Statistics.
Great Britain--Social conditions--1945---Statistics.
Social classes--Great Britain--Classification.
Social classes--Great Britain--Research.
Social classes--Great Britain--Statistics.
Social classes--Research--Great Britain.
Princeton subject headings:
Social classes--Great Britain--Research.
Social classes--Great Britain--Statistics.
Statistics.