Holmsen, Sigrid; Engebretsen, Dan-Kåre; Halvorsen, Eli (30 August 2007). "Nystrøm solgt – Kalsæg klar for Moss". Moss Avis (in Norwegian). Retrieved 10 April 2009.
rb.no
Solbakken, Espen; Morten Svesengen; Wegard Bakkehaug (28 November 2003). "Fotballovergangene på Romerike". Romerikes Blad (in Norwegian). Retrieved 10 April 2009.
web.archive.org
"Einar Kalsæg". 100% Fotball, Norwegian Premier League stats. Archived from the original on 15 February 2012. Retrieved 10 April 2009.