List of Iron Mines 1872-1874.
List of Mines 1883-1888.
Mineral Statistics 1855-1856.
Mineral Statistics 1858.
Mineral Statistics 1872, 1874.
Mineral Statistics 1882-1893.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1884, p.187.
Report of H.M. Inspector of Mines for the Newcastle District for the Year 1893, p.59.
Reports of the Inspectors of Mines List of Iron Mines 1873, 1875-1877, 1881-1882.
Or: Highhouse Mine. High House Mining Co. Fletcher’s High-House Mining Co.
See also: High House and High Cross Gill Mine.