International career
Planet World Cup - 1998 - Final - France v Brazil
http://www.planetworldcup.com/CUPS/1998/final_fra_v_bra.htmlhttp://soccernet.espn.go.com/euro2000/news/20000703finalreport.html
http://soccernet.espn.go.com/euro2000/news/20000703finalreport.htmlError 404 - The official website for European football
http://www.uefa.com/competitions/EURO/news/Kind=1/newsId=442447.html
Club career
https://www.telegraph.co.uk/sport/main.jhtml?xml=/sport/2006/08/02/ufnrup02.xml
https://www.telegraph.co.uk/sport/main.jhtml?xml=/sport/2006/08/02/ufnrup02.xmlBBC SPORT | Football | Europe | Juventus relegation appeal fails
http://news.bbc.co.uk/sport1/hi/football/europe/5264852.stmERROR: The requested URL could not be retrieved
http://home.skysports.com/list.aspx?hlid=374972&plid=3884&clid=128&cpid=5Roy Keane and Patrick Vieira fight in tunnel at Highbury
https://web.archive.org/web/20110930200114/https://www.youtube.com/watch?v=Vmv1l1oUHUA&feature=relatedRoy Keane and Patrick Vieira fight in tunnel at Highbury | Ghostarchive
https://ghostarchive.org/varchive/youtube/20211211/Vmv1l1oUHUAPatrick Vieira | Football Stats | No Club | Age 45 | 1993-2011 | Soccer Base
https://www.soccerbase.com/players/player.sd?player_id=9677