Miller, Molly (1980), "Hiberni Reversuri"(PDF), Proceedings of the Society of Antiquaries of Scotland, (1978 – 1980), vol. 110, Society of Antiquaries of Scotland (published 2002), pp. 305–327, ISSN0081-1564, for example, favouring the Isle on p. 320 with footnote 65 giving reasons.
Miller, Molly (1980), "Hiberni Reversuri"(PDF), Proceedings of the Society of Antiquaries of Scotland, (1978 – 1980), vol. 110, Society of Antiquaries of Scotland (published 2002), pp. 305–327, ISSN0081-1564, for example, favouring the Isle on p. 320 with footnote 65 giving reasons.