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List of Mines 1900-1901.
List of Mines 1904.
List of Mines 1906-1911.
Mineral Statistics 1885-1890.
MJ 1886 p.14, 72, 128, 184
MJ 1887 p.14, 45
MJ 1888 p.12, 40, 68
MJ shares listed 1886.
Records of London and Westcountry Chamber of Mines Vol. 1 1901-1903 p.111, 154.
Register of Defunct Companies 1990 p.493.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1887, p.333.
Report of H.M. Inspector of Mines for the Cornwall and Devon District for the Year 1888, p.8.
Report of H.M. Inspector of Mines for the Cornwall and Devon District for the Year 1890, p.16.
Or: Tolgullow Mine. Tolgullow United Mines Co. Ltd