Edmondston, T. (1871). Notes on a Straw Masquerade Dress still used in some parts of Shetland, and on certain Woollen Articles manufactured in Fair Isle; also of a supposed Relic of the Spanish Armada. Proceedings of the Society of Antiquaries of Scotland, 8, 470–472. https://doi.org/10.9750/PSAS.008.470.472