[1]
Watt, W.G.T. 1882. Notice of the Broch known as Burwick or Borwick, in the Township of Yescanabee and Parish of Sandwick, Orkney. Proceedings of the Society of Antiquaries of Scotland. 16, (Nov. 1882), 442–450. DOI:https://doi.org/10.9750/PSAS.016.442.450.