http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
shipping and commerce in northern Europe, A.D. 300-1100
Northern Europe in the 4th Century -- The Invasion Period 400-550 AD -- New Beginnings 550-750 AD -- The Carolingian Revival 750-840 AD -- The Viking Assault 840-911 AD -- The Age of the Ottos and the House of Alfred 911-985 AD -- The Danish Sea Empire and the Kievan Kingdom, 985-1043 AD -- The Emergence of Europe 1043-1100.
Princeton, Princeton University Press, 1958