Sigrid Undset (English Wikipedia)

Sparrow, Stephen (2003). "Sigrid Undset: Catholic Viking"
Stephen Sparrow. "Sigrid Undset: Catholic Viking". Catholic Education Resource Center. Retrieved 24 October 2023.

faithweb.com

Anderson, Gidske. "Sigrid Undset". Go Norway. Archived from the original on 28 February 2021. Retrieved 21 March 2018.

"KAJ MUNK IN MEMORIAM". De frie Danske (in Danish). January 1944. p. 6. Retrieved 18 November 2014. Munk var en overordentlig modig Mand og er nu mere end nogensinde før i Spidsen for Danmarks Frihedskamp. Hans indsats i Kampen for Friheden har skænket ham udødelighed. Han er blevet et af de store Navne i Danmarks Historie

"Sigrid Undset's home Bjerkebæk (Maihaugen)". Maihaugen.no. Archived from the original on 30 July 2015. Retrieved 11 November 2017.

The Winter War 1939—1940 Archived 2 May 2009 at the Wayback Machine The Finnish Defence Forces, 1999.

Pedersen, Mo (25 July 2017). "An extraordinary woman: The life of Nobel Laureate Sigrid Undset". The Norwegian American. Archived from the original on 22 March 2018. Retrieved 21 March 2018.

Bliksrud, Liv (28 September 2014). "Sigrid Undset". Nbl.snl.no. Retrieved 11 November 2017.
Solberg, Bergljot (28 September 2014). "Ingvald Undset". Nbl.snl.no. Retrieved 11 November 2017.

"Bjerkebæk". Snl.no. 28 September 2014. Retrieved 11 November 2017 – via Store norske leksikon.

Ording, Arne; Johnson, Gudrun; Garder, Johan (1951). Våre falne 1939–1945 (in Norwegian). Vol. 4. Oslo: Norwegian government. pp. 272–273.

Anderson, Gidske. "Sigrid Undset". Go Norway. Archived from the original on 28 February 2021. Retrieved 21 March 2018.
Pedersen, Mo (25 July 2017). "An extraordinary woman: The life of Nobel Laureate Sigrid Undset". The Norwegian American. Archived from the original on 22 March 2018. Retrieved 21 March 2018.
The Winter War 1939—1940 Archived 2 May 2009 at the Wayback Machine The Finnish Defence Forces, 1999.
"Sigrid Undset's home Bjerkebæk (Maihaugen)". Maihaugen.no. Archived from the original on 30 July 2015. Retrieved 11 November 2017.