(1921); BGS - Mineral Resources of GB (c1920s) Vol XXI - Lead, Silver and Zinc: Cornwall, Devon, Somerset; 88 pages
(1952); BGS - Mineral Resources of GB (c1920s) Vol IV - Fluorspar; 162 pages
Claughton, Peter (1994); PDMHS (Peak District Mines Historical Society) 12-3 Sum - Silver-Lead - A Restricted Resource - Technological Choice in the Devon Mines; 6 pages (54-59)
Dines, Henry George (1956); BGS - Regional Memoirs - Metalliferous Mining Region of South West England Vol2, The; 335 pages
Fellows, Roy; Cornwall Underground; 25 pages
Nance, Richard W.M. and Nance, R. Damian (1996); PDMHS (Peak District Mines Historical Society) 13-2 Win - Survey of Engine Houses on the Mines of South Devon, A; 14 pages (109-122)