My sources of research were
- an article by the Swiss arms historian Jürg Meier:
http://www.waffensammlung-beck.ch/waffe2.html,
see attachment quote in German, which I translated to English in my former post,
and
Per Terje Norheim:
Vapen i Norge, 2000, pp. 78-82
So I did not claim that there was no murder involved on the side of the Norwegian rural population, I just stated the essential fact how the Dusägge came to Norway and made its way there after during the 17th c.
Best,
Michael