Cursiter, J.W. 1886. Notice of a Wood-Carver’s Tool-Box, with Celtic Ornamentation, recently discovered in a Peat Moss in the Parish of Birsay, Orkney. Proceedings of the Society of Antiquaries of Scotland. 20, (Nov. 1886), 47–50. DOI:https://doi.org/10.9750/PSAS.020.47.50.