Dines, H.G. The Metalliferous Mining Region of South-West England addenda and corrigenda, 1988, Vol. I p.xxix-xxx.
Hamilton Jenkin, A.K. Mines & Miners of Cornwall vol. xiii p.7-13.
See also: The Ghost Mine. Predannack Wartha Mine. Wheal Providence. South Wheal Unity. Trenance Mine. Wheal Unity.