Publications (4)
- Gill, M.C. (2010); PDMHS (Peak District Mines Historical Society) 17-6 Win - John Barratt and the Grassington Mines 1818-1834; 9 pages (10-18)
- Gill, M.C. (2010); PDMHS (Peak District Mines Historical Society) 17-6 Win - Model of Beever Mine at Grassington, A; 2 pages (19-20)
- Gill, Mike (1990); PDMHS (Peak District Mines Historical Society) 11-1 Sum - Three Eighteenth Centuryt Mining Disputes at Grassington, Yorkshire; 10 pages (25-34)
- Smith, Stanley (1923); BGS - Mineral Resources of GB (c1920s) Vol XXV - Lead & Zinc: Northumberland and Alston Moor; 128 pages





