Philip Lake, Osbert J. R. Howarth, Bertha S. Phillpotts, Hans L. Brækstad, and Edmund Gosse, 1911 Encyclopædia Britannica, Volume 19… (1911)
“ Russia had long eclipsed Norway as the centre of the fur trade, and other industries must have suffered, not only from the civil wars, but also from the supremacy of the Hanseatic towns, which dominated the North, and could dictate their own terms. In earlier times the aristocratic families had owed their wealth to three main sources: commerce, Viking expeditions and slave labour. Trade had been a favourite means of enrichment among the aristocracy up to the middle of the 13th century, but now it was almost monopolized by Germans, and Viking enterprise was a thing of the past. ”
