The Old Firm story: How sectarianism came to define a derby
Sectarian football hi-res stock photography and images - Alamy
Can Protestants support Celtic FC & Roman Catholics Rangers FC? - Quora
Celtic fans who wore pro-IRA t-shirts at match lose bid to have convictions overturned - Daily Record
Judges rule using word 'Hun' for Rangers fans IS a sectarian slur - and say it's same as calling Celtic fans 'Fenians' | The Scottish Sun
The Rangers and Celtic fallacy. - The Big Kick Off
Sectarianism in Glasgow - Wikipedia
The word 'hun' is offensive and sectarian towards Protestants and Rangers fans, court rules - Scottish Daily Express
Celtic Fans Caught Firing Protestants Into Space | The Clumpany
In Scotland, the Only Match That Really Matters May Matter Too Much - The New York Times
Celtic thrash Rangers but fans accused as Old Firm returns | The Week
Anti-Protestant Garbage Does Not Belong, And Is Not Welcome, In The Celtic Support. | The Celtic Blog
Judges to rule on whether calling Rangers fans 'Huns' is a religious hate crime against Protestants - Scottish Daily Express
Sectarianism in Glasgow - Wikipedia
Divisions in Glasgow go well beyond football | Scotland | The Guardian
Inside the Divide: One City, Two Teams… The Old Firm by Richard Wilson – review | Sport and leisure books | The Guardian
Celtic fans mock the Queen's death with 'F*** The Crown' taunts | Daily Mail Online
Rangers F.C. supporters - Wikipedia
Let The Green Brigade Sing | The Celtic Underground
Why Scotland's fiercest soccer rivalry features Israeli vs. Palestinian flags | The Times of Israel
Toxic soccer matches: Stabbings, fascist salutes and banners mocking Mussolini | CNN
Celtic, Rangers and The Old Firm: the Enlightenment of a Leeds Fan – by Rob Atkinson | Life, Leeds United, the Universe & Everything
Morals, murals and motives: Cliftonville v Celtic | FourFourTwo
The Green Brigade: Football Hooligans or Gateway Politicos? – Bella Caledonia
