http://www.countriesquest.com/europe/norway/people_and_society/social_structure.htm
http://www.tripadvisor.com/Travel-g190455-c112114/Norway:Traditions.And.Customs.html
http://www.123independenceday.com/norway/art-and-culture.html
http://world-leaders.findthebest.com/l/159/Norway
http://wiki.answers.com/Q/What_does_Norway_produce?#slide=6
http://www.tripadvisor.com/Travel-g190455-c112114/Norway:Traditions.And.Customs.html
http://www.123independenceday.com/norway/art-and-culture.html
http://world-leaders.findthebest.com/l/159/Norway
http://wiki.answers.com/Q/What_does_Norway_produce?#slide=6