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Neish, J. 1871. Notes of Stone Celts found in Glenshee, Forfarshire, 1870; and of Clay Cones (Loom Weights) found at Ravensby, Parish of Barrie, Forfarshire. Proceedings of the Society of Antiquaries of Scotland. 9, (Nov. 1871), 174–176. DOI:https://doi.org/10.9750/PSAS.009.174.176.