30 Barnes, The Norn Language of Orkney and Shetland （herwick 1998）, p. 11.
31 实际上直到1879年才出版。
32 Barnes, The Norn Language of Orkney and Shetland （herwick 1998）, p. 17.
33 J.J. Campbell,‘The Norse Language in Orkney in 1725’ in Scottish Historical Review 33, p. 175.
34 See Barnes, The Norn Language of Orkney and Shetland, p. 26.
35 The Historia de omnibus gothorum sveonumque regibus （1554）by Johannes（1488–1544）and Historia de gentibus septentrionalibus （History of the Northern Peoples, 1555）by Olavus（1490–1557）.
