Painted on coarse canvas with elements of “gold paint�?, probably the same kind as at cat. no. 393.Annotation on the verso: “The painting had two pointed extensions, these have been cut off and added to the painting’s upper corners. Nov. 1938 Dørje-Haug�?

Penn, Suzanne and Mark Tucker, "Past and recent responses to the format of Edvard Munch's The Mermaid", Public paintings by Edvard Munch and his contemporaries. Change and conservation challenges, Oslo 2015, s. 219–229

Bjerke, Øivind Storm, "Havfruemotivet i Edvard Munchs kunst", eMunch.no – tekst og bilde, (English edition: "The mermaid motif in Edvard Munch's art", eMunch.no – Text and Image), utst.kat. MM, Oslo 2011, s. 176

Faxneld, Per, "Blod, sæd og astrale energisugere: Edvard Munchs ‘Vampyr’", eMunch.no – tekst og bilde, (English edition: "Blood, sperm an astral energy-suckers", eMunch.no – Text and Image), utst.kat. MM, Oslo 2011, s. 190

Chang, Alison W., Negotiating Modernity: Edvard Munch's Late Figural Work 1900–1925, upublisert avhandling (PhD), University of Pennsylvania, Philadelphia 2010, fig. 3.12

Clark, Jay A., Becoming Edvard Munch. Influence, Anxiety, and Myth, utst.kat. The Art Institute of Chicago, London 2009, kat.nr. 51, s. 22, 74, 168

Tucker, Mark S. og Suzanne Penn, "The 1938 alteration of Edvard Munch's Mermaid. Circumstances, implications, and challenges", Edvard Munch's Mermaid, utst.kat., Philadelphia 2005, s. 48

Zarobell, John, "A year in Paris. Edvard Munch's Mermaid", Edvard Munch's Mermaid, utst.kat., Philadelphia 2005, s. 7

Eggum, Arne, Edvard Munch. Malerier – skisser – studier / Edvard Munch. Peintures – esquisses – etudes, Oslo 1983, s. 150f