Publications (4)
- Bevins, R. E., (1994). National Museum of Wales Geological Series No.16 - A Mineralogy of Wales; ISBN: 0720004039; p. 120.
- Foster-Smith, J.R.; NMRS (1979); British Mining 12 - Mines of Cardiganshire, The; ISBN 0 901450 14 6; p.23.
- Francis, Absalom (1874); History of the Cardiganshire Mines; 3 pages
- Jones O.T. (1922); BGS - Mineral Resources of GB (c1920s) Vol XX - Lead and Zinc: Cardiganshire & West Montogmeryshire; 242 pages
