Icelandic Enterprise: Commerce and Economy in the Middle Ages

13th century alnir of vathmál Althing amount archbishop Árnes Thing Bergen bishop Bisk biskups Bjarni Björn cargo chieftains church cloth commercial Commonwealth Copenhagen Denmark earlier Economic History Edited by Jón Eiríks Eldjárn eleventh century England English exchange export eyrir eyrir of pure Faeroes fish Fjord foreign trade Grænlendinga Grágás grain Greenland Guthmundar Hålogaland Hauksbók Hebrides helga Hólar ibid Iceland trade Icelandic merchants important island Íslendinga saga Íslenzk fornrit Jón Sigurthsson King Harald KLNM known Konungs skuggsjá Kristján Eldjárn land landaurar Landnámabók later least legal eyrir less luxuries Magnús medieval mentioned mörk needed Nidaros Norges Norse norske North Norway Norway's Norwegian Norwegian merchants Óláf Óláf's öln Orkneys Oslo period population probably profits pure silver Reykjavík sailing Scandinavia Scandinavian settlement sheep Shetlands ship Skálaholt skreith Snorri Sturluson sögur Stur Sturlubók Sturlunga saga Thorlák Thórtharson timber trip Trøndelag twelfth century usually vathmál Viking Vínland voyage wool