Mineral Statistics 1856-1858, 1874.
Mineral Statistics 1882, 1885-1886.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1875, p.xviii,xxiii, 347.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1876, p.xx, 381.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1878, p.xvii, 482.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1879, p.xxiii, 399.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1880, p.xxvii, 521.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1881, p.xxvii, 633.
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1882, p.xxvii, 528.