Cultural influences of Vikings in Scotland

How did the Vikings influence culture during their settlement period in Scotland?

Possible Sources:
BOOKS

Caldwell, D. H. and M. A. Hall (eds.), The Lewis Chessmen: new perspectives (2014).

Downham, C. Viking Kings of Britain and Ireland: the dynasty of Ívarr to A.D. 1014 (2008).

Graham-Campbell, J. and C. E. Batey. Vikings in Scotland: an archaeological survey (1998).

Hudson, B. T. Viking Pirates and Christian Princes: dynasty, religion, and empire in the North Atlantic (2005).

Hudson, B. T. Irish Sea Studies, 900-1200 (2006).

Owen, O. and M. Dalland. Scar: a Viking boat burial on Sanday, Orkney (1999).

Woolf, A. From Pictland to Alba, 789 to 1070 (2008).