 | Jan de Jong (section Heiden vs. Van der Duim, 1980) March 1993. Retrieved 25 February 2010. "Jansen en Koss maken Hamar tot snelste ijsbaan" (in Dutch). Trouw. 6 December 1993. Retrieved 25 February 2010... 8 KB (969 words) - 02:21, 4 October 2018 |
 | SpeedSkatingStats.com. Retrieved 28 August 2012. Historie (in Dutch), Jaap Eden IJsbaan. Retrieved 1 December 2017. "Awards, Dé Jaap Eden" (in Dutch). NOC*NSF... 11 KB (983 words) - 14:47, 8 December 2023 |
 | kraftverk på Braskereidfoss". NRK. Retrieved 20 August 2023. "Noorse Hamar laat ijsbaan onderlopen vanwege stijgend water in meer". nos.nl. 10 August 2023... 197 KB (13,129 words) - 12:53, 9 May 2024 |