Bryce, T. and Low, A. 1905. Notes (I) on a Human Skeleton found in a Cist with a Beaker Urn at Acharole, West Watten, Caithness; and (II) on the Cranial Form associated with that type of Ceramic: With an Appendix on Six Skulls found with Beakers in the North-East Counties. Proceedings of the Society of Antiquaries of Scotland. 39, (Nov. 1905), 418–438. DOI:https://doi.org/10.9750/PSAS.039.418.438.