Piggott, S., Anderson, F., Smith, A., Osman Hill, W., Orr, M., Wallis, F., Platt, M., & Dunning, G. (1950). The excavations at Cairnpapple Hill, West Lothian, 1947-1948. Proceedings of the Society of Antiquaries of Scotland, 82, 68-123. https://doi.org/10.9750/PSAS.082.68.123