Robertson, R., Black, G. F. and Struthers, J. (1895) “Notice of the Discovery of a Stone Cist and Urns at the Cuninghar, Tillicoultry;: With Notes on the Contents and the Sculptured Covering Stone of the cist; and on the Microscopical Examination of the Fibrous or Hairy Substance found in the Cist”, Proceedings of the Society of Antiquaries of Scotland, 29, pp. 190–197. doi: 10.9750/PSAS.029.190.197.