The following article is an abbreviated version of "Gift, Sale, Payment, Raid: Case Studies in the Negotiation and Classification of Exchange in Medieval Iceland,: in Speculum 61 (1986), 18-50. Reprinted by permission.
William I. Miller,
Buying and Plundering: Exchange in Medieval Iceland,
Law Quadrangle (formerly Law Quad Notes)
Available at: https://repository.law.umich.edu/lqnotes/vol31/iss1/7