Columbia subject headings:
Great Britain. Ministry of Posts and Telecommunications.
Great Britain. Post Office--Officials and employees.
Industrial relations--Great Britain.
Harvard subject headings:
Great Britain--Economic policy--1945-1964.
Great Britain. Post Office--Officials and employees.
Industrial relations--Great Britain--History--20th century.
Postal service--Employees--Labor unions--Great Britain--History--20th century.
Postal service--Great Britain--Employees--History--20th century.
Princeton subject headings:
Industrial relations--Great Britain--History--20th century.
Postal service--Employees--Labor unions--Great Britain--History--20th century.
Postal service--Great Britain--Employees--History--20th century.