Dines, H.G. The Metalliferous Mining Region of South-West England, Vol. I, p.44, 438.
Dines, H.G. The Metalliferous Mining Region of South-West England addenda and corrigenda, 1988, Vol. I p.xliv.
Hamilton Jenkin, A.K. Mines & Miners of Cornwall vol. vii p.46.
MJ 1847 p.441
See also: Fistral Mine. North Wheal Providence. Wheal Providence.