Allison, W., 2010. Discoveries at Silver Gill Mine, Caldbeck 50 Years of Mining History Proceedings of the NMRS 50-year Anniversary Conference, Reeth, 1-3 October 2010. British Mining No.90. Northern Mines Research Society, p.90, 92-98.
King, T., 2014. East Pant Du Lead Mine. Northern Mine Research Society. Memoirs 2014, British Mining No.98, p.42.
Lawson, J., 1972. Statistics of Mineral Production of the Pennines Part 2. Westmorland & the Lake District. Memoirs of the Northern Cavern & Mine Research Society Vol.2 No.2, p.45-52, 56-58.
List of Mines 1859-1861.
List of Mines 1863-1874.
Mineral Statistics 1845-1848, 1850-1851.
Mineral Statistics 1853-1856.
Mineral Statistics 1858
Mineral Statistics 1861-1862, 1868-1874.
Mineral Statistics 1890-1893.
MJ 1843, p.227
MJ 1847, p.425.
MJ 1869, p.112
MJ 1884, p.403
Smith, R., & Murphy, S., 2012. Haltcliffe Lead Smelting Mill, Cumbria. Northern Mine Research Society. Memoirs 2012, British Mining No.93, p.35.
Or: Roughton Gill Mine.
See also: Caldbeck Mine. Caldbeck Fells Mine. Cleator Iron Ore Company.