Corrie, John M. 1932. “Notes on (1) a Two-Storeyed Grave at Little Asta, Shetland; (2) Certain Prehistoric Relics from Shetland; And (3) a Viking Brooch of Silver from Skaill Bay, Orkney”. Proceedings of the Society of Antiquaries of Scotland 66 (November):69-85. https://doi.org/10.9750/PSAS.066.69.85.