^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.
^Mardal, Magnus A. "Enevold Kruse". In Bolstad, Erik (ed.). Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 3 September 2020.