^"Česká scéna: Viktoria Plzeň" [Czech scene: Viktoria Plzeň]. hooligans.cz (in Czech). 17 July 2012. Archived from the original on 11 December 2014. Retrieved 7 December 2014.
^
Ward, Colin; Hickmott, Steve (2000). Armed for the Match: The Troubles and Trials of the Chelsea Headhunters. London: Headline Books. ISBN0-7472-6292-6.
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Tordoff, Shaun (2002). City Psychos: From the Monte Carlo Mob to the Silver Cod Squad, Four Decades of Terrace Terror. Wrea Green: Milo Books. ISBN1-903854-13-X.
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Cawthorne, Nigel; Cawthorne, Colin (20 September 2012). The Mammoth Book of Football Hooligans. Constable & Robinson Ltd, 2012. ISBN978-1-84901-767-1.
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Nicholls, Andy; Lowles, Nick (27 December 2011). Hooligans 2: The M-Z of Britain's Football Hooligan Gangs. Milo Books.
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Francis, Michael; Walsh, Peter (3 December 1997). Guvnors: Story of a Soccer Hooligan Gang by the Man Who Led It. Milo Books. ISBN0-9530847-1-X.
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Sullivan, Tony (1 December 2008). Sully - The Football Thug Who Didn't Give a Fuck ... : The Inside Story of Manchester City's Notorious Mayne Line Service Crew. Empire Publications Ltd. ISBN978-1-901746-53-2.
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O'Neill, Tony (2004). Red Army General: The Inside Story of the World's Most Infamous Football Firm. Wrea Green: Milo Books. ISBN1-903854-32-6.
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Cowens, Steve; Heaton, Paul (2001). Blades Business Crew: The Inside Story of a Football Hooligan Gang. Wrea Green: Milo Books. ISBN978-0-9530847-8-4.
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Allen, Paul; Naylor, Douglas (2005). Flying with the Owls Crime Squad. London: John Blake. ISBN1-84454-093-6.
^ Rød Hvit Elite (RHE), Red Beavers (RB)
Johnsen, Nilas (4 May 2008). "Politiets informasjon angående casuals"(PDF) (in Norwegian). Politiet. Archived from the original(PDF) on 31 October 2008. Retrieved 4 May 2008.
^Billy Briggs (14 January 2006). "They're back: ..."The Herald. Aberdeen Soccer Casuals/ Under 5s – This group has followed Aberdeen for more than 20 years and has been involved in serious disorder all over Europe.
^Ferguson C (1987) pp 89 Bring Out Your Riot Gear – Hearts are here! Gorgie Aggro 1981–1986. S T Publishing (16 August 1999) Edinburgh: ISBN978-0-9535920-0-5
^Ferguson C (1987) pp 16 Bring Out Your Riot Gear – Hearts are here! Gorgie Aggro 1981–1986. S T Publishing (16 August 1999) Edinburgh: ISBN978-0-9535920-0-5
^Ferguson C (1987) Bring Out Your Riot Gear – Hearts are here! Gorgie Aggro 1981–1986. S T Publishing (16 August 1999) Edinburgh: ISBN978-0-9535920-0-5
^Ferguson C (1987) pp 41 Bring Out Your Riot Gear – Hearts are here! Gorgie Aggro 1981–1986. S T Publishing (16 August 1999) Edinburgh: ISBN978-0-9535920-0-5
^pp 55 Ferguson C (1987) pp 16 Bring Out Your Riot Gear – Hearts are here! Gorgie Aggro 1981–1986. S T Publishing (16 August 1999) Edinburgh: ISBN978-0-9535920-0-5
^pp 47 Dykes, Derek (26 May 2008). These Colours Don't Run: Inside the Hibs Capital City Service. Fort Publishing Ltd. ISBN978-1-905769-12-4.
^pp 43 Blance, Andy (24 September 2009). Hibs Boy. Fort Publishing Ltd. ISBN978-1-905769-15-5.
^pp 101 Dykes, Derek (26 May 2008). These Colours Don't Run: Inside the Hibs Capital City Service. Fort Publishing Ltd. ISBN978-1-905769-12-4.
^ abChugg, Sandy (10 October 2011). Rangers and the Famous ICF: My Life With Scotland's Most-Feared Football Hooligan Gang. Fort Publishing Ltd. pp. 111, 285. ISBN978-1-905769-28-5.
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King, Martin; Tooze, Andrew (8 November 2007). The Swansea Jacks: From Skinheads to Stone Island – Forty Years of One of Britain's Most Notorious Hooligan Gangs. Manchester: Headhunter Books. ISBN978-1-906085-05-6.