Columbia subject headings:
Archival resources--Great Britain.
Great Britain--Social policy--Archival resources.
Great Britain. Public Record Office--Archives.
Harvard subject headings:
Archival resources--Great Britain.
Great Britain--Social policy--Archival resources.
Great Britain. Public Record Office--Archives.
Princeton subject headings:
Great Britain--Social policy.
Social security--Great Britain.
Welfare state--Great Britain.