«Mersey Beat launches: 6 July 1961». Beatles Bible. «Many people ask what are Beatles? Why Beatles? Ugh, Beatles, how did the name arrive? So we will tell you. It came in a vision – a man appeared on a flaming pie and said unto them 'From this day on you are Beatles with an 'A'. Thank you, mister man, they said, thanking him.»
Davies, Hunter. «Brief Biography of John Lennon». En Lennon, John; Davies, Hunter, eds. The John Lennon Letters: Edited and with an Introduction by Hunter Davies. Londres: Weidenfeld & Nicolson. ISBN9780297866343.
