David Rensin, "Tom Scott: Joni's Spark", Rolling Stone, 1 August 1974; available at Rock's Backpages (subscription required).
Michael Gross, "George Harrison: How Dark Horse Whipped Up a Winning Tour", Circus Raves, March 1975; available at Rock's Backpages (subscription required; retrieved 28 September 2014).
Anne Moore, "George Harrison on Tour – Press Conference Q&A", Valley Advocate, 13 November 1974; available at Rock's Backpages (subscription required).
Bob Woffinden, "George Harrison: Dark Horse", NME, 21 December 1974; available at Rock's Backpages (subscription required; retrieved 28 September 2014).
