Among others: Henrat, P. 1984. French Naval Operations in Spitsbergen During Louis XIV's Reign. Arctic 37: 544-551, p.544. Conway, William Martin (1906). No Man's Land: A History of Spitsbergen from Its Discovery in 1596 to the Beginning of the Scientific Exploration of the Country. (inglise keeles) Cambridge, At the University Press, p. 79. He called it "Pico" according to Dalgård, Sune (1962). Dansk-Norsk Hvalfangst 1615-1660: En Studie over Danmark-Norges Stilling i Europæisk Merkantil Expansion. G.E.C Gads Forlag, p.160
Hogan, C. Michael (2008). Stromberg, N (toim). "Polar Bear: Ursus maritimus". globaltwitcher.com. Originaali arhiivikoopia seisuga 24.12.2008. Vaadatud 11.07.2012.
birdlife.org
"Jan Mayen island". Important Bird Areas factsheet. BirdLife International. 2013. Vaadatud 22.08.2013.
Hogan, C. Michael (2008). Stromberg, N (toim). "Polar Bear: Ursus maritimus". globaltwitcher.com. Originaali arhiivikoopia seisuga 24.12.2008. Vaadatud 11.07.2012.