A History of Religion In Norway - (Hurtigruten)
History of Christianity in Norway - (Wikipedia)
Christianity In Norway - Wikipedia
A Brief History of Norway's Christianity - David Moe (Norwegian Heritage)
Christianisation of Norway - (Britannica)
Norway Part 1: "Be Christian or Die" - (Christianity History magazine)
The Christianisation of Norway - (Medieval Europe Paris)
Viking Religion: From Norse Gods To Christianity - (Life In Norway)