Brown, Danny; Milo Brittle (2006). Villains: The Inside Story of Aston Villa's Hooligan Gangs. Wrea Green: Milo Books. ISBN 978-1-903854-59-4. Giulianotti, Richard; Armstrong, Gary (2002). "Avenues of contestation. Football hooligans running and ruling urban spaces". Social Anthropology. 10 (2): 211–238. doi: 10.1017/S0964028202000149. ISSN 1469-8676. Rangers – Inter City Firm, [173] Her Majesty's Service, [169] Rangers Soccer Babes, Section Red [193] May 2012; Some Section B came on to the field and challenged the celebrating Dumbarton fans at the end of the play-off final in Airdrie. They were escorted off the park by stewards. Rozhovor s jedním ze zakladatelů Prague Boys"[Interview with one of the founders of Prague Boys]. suppoters.cz (in Czech). 21 January 2013.

Waar het allemaal begon..." (in Dutch). Spangenaren.nl. Archived from the original on 23 February 2011 . Retrieved 6 April 2013. Dynamo Kyiv – WBC (White Boys Club), [234] Rodychi, [235] Kyiv City Supporters, [236] Albatros, Young Hope [237] Rozhovor s Village Brigade (Tatran Prešov)"[Interview with Village Brigade (Tatran Presov)]. hooligans.cz (in Czech). 1 January 2013. Archived from the original on 6 May 2014.

a b "Los ultras del fútbol se hermanan para combatir a grupos rivales"[The extremists of football partner up to combat rival groups]. Público (in Spanish). 30 November 2014. Pennant 2006, Jim 'Jinks' Mctaggot, Glasgow Rangers pp. 134, 137 "Craziest set of fans in Scotland late 80s early 90s" "In Scotland one of the top five firms of importance today"

John Ferguson (13 December 2007). "Nazi Salute Football Fan Banned For Five Years". Daily Record . Retrieved 9 June 2013. Kevin Murray (27 June 2010). "Casuals planning Dutch violence?". Vital Football. Archived from the original on 16 October 2013 . Retrieved 15 May 2013. Scotlands most notorious firm May 2023: During a pitch invasion at the end of a Championship play-off final against Hamilton Academical at New Douglas Park, police stopped Section B from confronting fans of the home support. Brief footage of this was captured on BBC Alba and online (YouTube:- Matt the Ground Hopper). McMullan, Laura (1 October 2003). "Reformed Naughty Forty hooligan tells his tale". BBC . Retrieved 1 January 2007. November 2008; Two Airdrie fans were charged with vandalising McDiarmid Park stadium in Perth at the Challenge Cup Final game against Ross County.a b Radiografía de los ultras gallegos más allá de Celtarras y Riazor Blues. La Voz de Galicia, 2014-12-17. That brought the total goals scored in last season's four meetings between the sides to 21 - an impressive 5.3 per game. Presenters: Andrew Glover (June 1989). "Forth File". Edinburgh. 30 minutes in. Independent Local Radio. Radio Forth

Interview with Feyenoord-Casuals". hoolsworld.net. Archived from the original on 5 November 2013 . Retrieved 6 April 2013. Hooligans Firms". ave-it.net. 2010. Archived from the original on 21 September 2010 . Retrieved 11 March 2020.

At the end of the season, Celtic have an option to buy the Portuguese midfielder, who replaced Hatate against Atletico Madrid last Wednesday before starting at Easter Road on Saturday. From the peak to the decline in a moment of madness … By Holywell Street and CSC Saturday 28th November 1987 Goed NAC in slotfase onderuit" (in Dutch). B Side Rats. Archived from the original on 16 June 2013 . Retrieved 6 April 2013. It's a bit different to Portugal, but I really like it here and Celtic really support me," he added. "The game here is more intense. It never stops.

We've played 10 games now. We've had eight wins and two draws and we've been to every ground in the country and did well in the main. Brown, Adam, ed. (1998). Fanatics!: Power, Identity, and Fandom in Football. Psychology Press. ISBN 9780415181037.a b Walker, Andrew (22 April 2003). "Curse of the casuals day 7: Lessons in hate". The Daily Record . Retrieved 18 August 2011. Ungentlemanly Conduct:Football Hooligans, the Media and the Construction of Notoriety, Richard Giulianotti Department of Sociology University of Aberdeen Gary Armstrong Department of Sociology University of Reading