[1]
Anderson, J. 1899. Notes on Three Buttons of Jet or Cannel-coal found in a Cist at Old Windymains, Keith-Marischal, East Lothian. Proceedings of the Society of Antiquaries of Scotland. 33, (Nov. 1899), 68-69. DOI:https://doi.org/10.9750/PSAS.033.68.69.