Mines and minerals. Mineral statistics of the United Kingdom of Great Britain and Ireland, with the Isle of Man, for the year 1888 (1889). (Appendix. Production of minerals and certain metals in the British colonies and possessions. Compiled from official reports. General summary. 1887. - 1888.) [With maps.]
Great Britain. - Home Office.
London :  H.M.S.O., 
1889-1890.