Columbia subject headings:
Europe--Social conditions.
Great Britain--Social conditions.
Williams, Gwyn A.
Working class--Europe--History.
Working class--Great Britain--History.
Harvard subject headings:
Europe--Social conditions.
Great Britain--Social conditions.
Williams, Gwyn A.
Working class--Europe--History
Working class--Great Britain--History
Princeton subject headings:
Europe--Social conditions.
Great Britain--Social conditions.
Williams, Gwyn A.
Working class--Europe--History.
Working class--Great Britain--History.