http://www.nd.edu/~sskiles/Aust.%20refs/Hirsch%201971.pdf

http://www.sirc.org/publik/fvexec.html#_VPID_9

http://people.exeter.ac.uk/watupman/undergrad/rowlands/hooliganismhistory.htm

http://news.discovery.com/history/a-history-of-sports-violence-120202.html

http://www.historyworld.net/wrldhis/PlainTextHistories.asp?

groupid=1382&HistoryID=ab21&gtrack=pthc

http://www.visual-arts-cork.com/art-definition.htm#classification

http://www.alexandermagazine.com/business/articles/popmusic.htm

http://en.wikipedia.org/wiki/Pop_music

http://www.popmusic.com/

http://en.wikipedia.org/wiki/Film_adaptation

http://www2.fiu.edu/~weitzb/WHAT-IS-FILM-ADAPTATION.htm