↑ Rian, Øystein; Mardal, Magnus A.; Weidling, Tor Ragnar. "Christian 4.". In Bolstad, Erik (ed.). Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 21 December 2023.
↑ Stokkan, John; Haugen, Morten O., eds. (29 May 2024). "Røros". Store norske leksikon (in Norwegian). Foreningen Store norske leksikon. Retrieved 1 January 2025.
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