I'd like to see a more flexible, dynamic view of events. People may have moved from Denmark to Norway or vice versa. No, he was killed in the battle with the Langobards I believe. So he wouldn't have had a good possibility of returning, except for his fame of course. The material is needed now and here.
Most Norwegian libraries have copies.
It is a good place to start, since he devotes quite a number of pages to it. Another good reference is Felix Dahn. All rights reserved.