Transactions of the Royal Geological Society of Cornwall, Vol.6 p99 - 100
| On the relative position of the yellow & vitreous Sulphurets of copper in the lode of Pembroke Mine, R Taylor, FGS, VI: 99-100. |
| On the relative position of the yellow & vitreous Sulphurets of copper in the lode of Pembroke Mine, R Taylor, FGS, VI: 99-100. |