Links
South Yorkshire Industrial History Society
https://www.facebook.com/SYorksIndHistSoc
Tools and Trades History Society
http://www.taths.org.uk/
Wortley Top Forge
http://www.topforge.co.uk/
Sheffield Museums Trust
https://www.sheffieldmuseums.org.uk
The Company of Cutlers in Hallamshire in the County of York
http://www.cutlers-hallamshire.org.uk/
Sheffield Assay Office
http://www.assayoffice.co.uk/
Social History Curators Group - tools of the trade films
http://shcg.org.uk/films