Phillips, «Thoughts on ancient metallurgy and mining in Brigantia and other parts of Britain, suggested by a page of Pliny's Natural History», Philosophical Magazine, vol.34, no229, , p.247–260 (DOI10.1080/14786444908646226, lire en ligne)
Phillips, «Thoughts on ancient metallurgy and mining in Brigantia and other parts of Britain, suggested by a page of Pliny's Natural History», Philosophical Magazine, vol.34, no229, , p.247–260 (DOI10.1080/14786444908646226, lire en ligne)