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Haggart, D. 1895. Notice of the Discovery of Cup-and Ring-Sculpturings at Duncrosk, near the Falls of Lochay, in Glenlochay. Proceedings of the Society of Antiquaries of Scotland. 29, (Nov. 1895), 92–93. DOI:https://doi.org/10.9750/PSAS.029.92.93.