ハーヴグーヴァ2022年1月12日閲覧。 Halldór Hermannsson (1938), “Icelandic Physiologus”, Islandica 27: 4-17, https://books.google.com/books?id=g2Q8AAAAIAAJ&q=
人魚Library. 2022年9月6日閲覧。, fol. 20v. ^ “Bern, Burgerbibliothek / Cod. 318 – Physiologus Bernensis”. e-codices. 2022年9月11日閲覧。, facsimile, fol. 13v ^
クラーケンcom/books?id=vbUvAQAAMAAJ&q=hafgufa Halldór Hermannsson (1938), “Icelandic Physiologus”, Islandica 27: 4–17, https://books.google.com/books?id=g2Q8AAAAIAAJ