That the golden triangle consists of Oxford, Cambridge and Imperial College, see The future sustainability of the higher education sector, House of Commons, Education and Skills Committee, The Stationery Office, 2007, p. 241.
Jha, Alok. "Gold rush", The Guardian, 3 June 2003: "The golden triangle of Oxford, Cambridge, University College London and Imperial College, show no sign of slowing down in their race away from the rest of the sector when it comes to research funding".
Kershaw, Alison. "UK universities slip in rankings", The Independent, 4 October 2012: "Rankings editor Phil Baty said: "Outside the golden triangle of London, Oxford and Cambridge, England's world-class universities face a collapse into global mediocrity".
"Golden opportunities". Nature. 2005.: "No longer rivals, Oxford, Cambridge and London are now working towards a common goal — ensuring the 'golden triangle' becomes a global science hub".
newscientist.com
Mullins, Justin. "England's golden triangle", New Scientist, 23 April 2005: "Take a look at any of the various league tables ranking universities around the world ... Oxford and Cambridge are in the top handful, while London's University College and Imperial College sit comfortably in the top 25. ... London, Oxford and Cambridge are a 'golden triangle' of academic success".
"Oxbridge windfall". Times Higher Education. 4 August 1995.: "A large amount of the cash awarded to humanities postgraduates still goes to the "Golden Triangle" of Oxford, Cambridge and London, British Academy figures reveal".
Zoe Corbyn."In research, small is just as beautiful", Times Higher Education, 26 November 2009: "The findings reveal the full extent of the dominance of the golden triangle: papers from the universities of Oxford, Cambridge, Imperial College London, University College London and the London School of Economics were cited far more often than the world average".
Zoe Corbyn
"'Golden triangle' to win funding riches", Times Higher Education, 11 February 2010: "The other institutions in the Cambridge-Oxford-London 'golden triangle' - University College London, Imperial College London and the London School of Economics - will also receive big cash windfalls, as will the University of Manchester".
Clark, Paul. "The golden triangle holds the secret", Times Higher Education, 1 March 2002: "Suppose, for the sake of argument, that the four institutions comprising the 'golden triangle' - Cambridge, Imperial College, Oxford and University College London - elect not to receive their block Higher Education Funding Council for England grant for teaching".