— ‘Get your knickers down!’ Salewicz, McCartney, p. 105; Spitz, The Beatles, p. 864. Cited in Leslie, Ian. ‘John and Paul: A Love Story in Songs’ (Faber & Faber 2025)

— Interviewer: ‘Have you ever thought about coming to Sweden?’ Paul McCartney: ‘Actually… All gorgous blondes, you know.’ The Beatles Interviews Database, www.beatlesinterviews.org

— At stuffy British press conferences in the early 1960s, the Beatles’ wit… part of the Beatles’ charm. Page 52, Simonelli, David, ‘Working Class Heroes: Rock Music and British Society in the 1960s and 1970s’ (Lexington Books, 2013)

— The extraordinary license The Beatles had with every strata… a piece of seaside rock. Page 52, Simonelli, David, ‘Working Class Heroes: Rock Music and British Society in the 1960s and 1970s’ (Lexington Books, 2013)

— When they arrived at the German port in the late summer of 1960… he would have them piss into a glass to make an initial diagnosis and then send them off to a clinic.

Page 196, Norman, Philip, ‘John Lennon: The Life’ (Harper Collins, 2008)

Page 62, 69, Thomson, Graeme, 'George Harrison: Behind The Locked Door’ (Omnibus Press, 2013)

— ‘A lot of people say the… They were created in Hamburg.’

Page 69, Thomson, Graeme, 'George Harrison: Behind The Locked Door’ (Omnibus Press, 2013)

— Having been set a punishing songwriting schedule… anything to maximise their chart-topping potential.

Page 339, Norman, Philip, ‘John Lennon: The Life’ (Harper Collins, 2008)