↑ Bratberg, Terje; Mardal, Magnus A. "Oscar 1.". In Bolstad, Erik (ed.). Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 1 January 2024.
↑ Hammer, S. C. (1923). "Branden 14 april 1858". Kristianias historie (in Norwegian). Vol.4. Cappelen. pp.423–438.
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