“Notes Near St Fillans : Cup-Marked Stones, Old Burying Grounds at Kindrochet and Drumnakill, Curing Stone or Charm, and Notice of a Flint Knife Found on the Farm of North Pet, Tarland, Aberdeenshire”. 1888. Proceedings of the Society of Antiquaries of Scotland 22 (November): 23-26. https://doi.org/10.9750/PSAS.022.23.26.