1. Wroewolfeite in Britain;Braithwaite;Mineralogical Record,1982
2. Serpierite from Ecton, Staffordshire
3. Gregg. R. P. Lettsom W. G. 1858. Manual of the mineralogy of Great Britain and Ireland. London.
4. A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria;Hartley;Transactions of the Leeds Geological Association,1984
5. A silver-nickel-cobalt mineral association at Tynebottom Mine, Garrigill, near Alston, Cumbria;Ixer;Proceedings of the Yorkshire Geological Society,1986