Skamby 2005 Viking Period Boat Grave Report (February 12,
'Report on the excavation of a Viking Period boat inhumation and a Pre-Roman Iron Age settlement with bronze casting debris. Skamby in Kuddby Parish (Raä 158), Östergötland, Sweden, 2005.
Viking Antiquities in Great Britain and Ireland, I-V (1940).
'v. 1. An introduction to the Viking history of western Europe / by Haakon Shetelig -- v. 2. Viking antiquities in Scotland / by Sigurd Grieg -- v. 3. Horse antiquities in Ireland / by Johanes Bøe -- v. 4. Viking antiquities in England, with a supplement of Viking antiquities on the continent of western Europe / by Anathon Bjørn and Haakon Shetelig -- v. 5. British antiquities of the Viking period found in Norway / by Jan Petersen.'
Williams, Mary Wilhelmine: Social Scandinavia in the Viking age (1920).