Kata Kunci Pencarian:
- Birmingham and Midland Sheet Metal Workers' Society
- John Valentine Stevens
- National Union of Sheet Metal Workers, Coppersmiths, Heating and Domestic Engineers
- National Amalgamated Association of Tin Plate Workers of Great Britain
- Birmingham
- Science and invention in Birmingham
- Jewellery Quarter
- Modern Records Centre, University of Warwick
- List of affiliates of the Trades Union Congress
- Lucas Industries
