Jensen, Hans Jørgen. "Herman Wilhelm Bissen" (in Danish). Kulturcenteret Assistens. Archived from the original on 2006-06-15. Retrieved 2006-07-14.
danskskaanskforening.dk
Kragelund, Britta (February 2002). "Istedløven". Dansk-Skånsk Tidsskrift no. 1, 2002 (in Danish). Archived from the original on 2007-03-10. Retrieved 2006-07-14.
et-ing.dk
Eduard Troelsgård. Rådgivende ingeniører. "Istedløven" (in Danish). Archived from the original on 2007-06-13. Retrieved 2006-07-14.
"Der Flensburger Löwe" (in German). Haus der Wannsee-Konferenz. Gedenk- und Bildungsstätte. 2005-06-07. Archived from the original on 2006-01-14. Retrieved 2006-07-14.
milhist.dk
Laursen, Gert. "Istedløven". Dansk militærhistorie (in Danish). Archived from the original on 2006-06-20. Retrieved 2006-07-14.
volden.dk
Christlieb, Emanuel; Christiansen, Thomas Kvist. "Istedløven blev født i Fredericia" (in Danish). Foreningen Til Istedløvens Placering i Fredericia. Retrieved 2006-07-14.
web.archive.org
Kragelund, Britta (February 2002). "Istedløven". Dansk-Skånsk Tidsskrift no. 1, 2002 (in Danish). Archived from the original on 2007-03-10. Retrieved 2006-07-14.
Jensen, Hans Jørgen. "Herman Wilhelm Bissen" (in Danish). Kulturcenteret Assistens. Archived from the original on 2006-06-15. Retrieved 2006-07-14.
Laursen, Gert. "Istedløven". Dansk militærhistorie (in Danish). Archived from the original on 2006-06-20. Retrieved 2006-07-14.
"Der Flensburger Löwe" (in German). Haus der Wannsee-Konferenz. Gedenk- und Bildungsstätte. 2005-06-07. Archived from the original on 2006-01-14. Retrieved 2006-07-14.
Eduard Troelsgård. Rådgivende ingeniører. "Istedløven" (in Danish). Archived from the original on 2007-06-13. Retrieved 2006-07-14.