Lewisohn 1992,第248頁: London-based Indian musicians and non-participation of the other Beatles; Lavezzoli 2006,第178頁: Harrison singing and playing sitar and tambura on "Within You Without You", and contributors from the Asian Music Circle. Lewisohn, Mark. The Complete Beatles Chronicle:The Definitive Day-By-Day Guide To The Beatles' Entire Career 2010. Chicago Review Press. 1992. ISBN 978-1-56976-534-0. Lavezzoli, Peter. The Dawn of Indian Music in the West. New York, NY: Continuum. 2006. ISBN 0-8264-2819-3.
Larry Portis, Soul Trains (2002), p. 224: "Sgt. Pepper was the ghost of either Will Pepper or his son Harry S. Pepper, two outstanding figures in English show business."
Davies 2009,第262頁: the recording of Please Please Me cost £400 (相当于2021年的£7,724); Lewisohn 1992,第253頁: they spent 700 hours recording Sgt. Pepper. Davies, Hunter. The Beatles Revised and updated. W.W. Norton. 2009 [1968]. ISBN 978-0-393-33874-4. Lewisohn, Mark. The Complete Beatles Chronicle:The Definitive Day-By-Day Guide To The Beatles' Entire Career 2010. Chicago Review Press. 1992. ISBN 978-1-56976-534-0.
Lewisohn 1992,第236頁: the first time lyrics were printed in full on a rock album; Inglis 2008,第96頁: the lyrics were printed on the back cover. Lewisohn, Mark. The Complete Beatles Chronicle:The Definitive Day-By-Day Guide To The Beatles' Entire Career 2010. Chicago Review Press. 1992. ISBN 978-1-56976-534-0. Inglis, Ian. Cover story: magic, myth, and music. Julien, Olivier (编). Sgt. Pepper and the Beatles: It Was Forty Years Ago Today. Ashgate. 2008 [2018-01-19]. ISBN 978-0-7546-6708-7. (原始内容存档于2023-10-26).
Moore 1997,第59頁: (secondary source); Poirier, Richard. The Performing Self: Compositions and Decompositions in the Languages of Contemporary Life. Rutgers University Press. 1992: 137.: (primary source). Moore, Allan F. The Beatles: Sgt. Pepper's Lonely Hearts Club Band. Cambridge University Press. 1997. ISBN 978-0-521-57484-6.
Moore 1997,第18, 70–79頁; Moore 2002,第64頁: the origins of progressive rock are "marked by the release of the Beatles' Sgt. Pepper's Lonely Hearts Club Band in 1967"; Moore 2002,第69頁: "The beginnings of progressive rock are normally traced to the Beatles' Sgt. Pepper's Lonely Hearts Club Band". Moore, Allan F. The Beatles: Sgt. Pepper's Lonely Hearts Club Band. Cambridge University Press. 1997. ISBN 978-0-521-57484-6. Moore, Alan F. Rock: The Primary Text: Developing a Musicology of Rock 2nd. Ashgate. 2002. ISBN 978-0-7546-0298-9. Moore, Alan F. Rock: The Primary Text: Developing a Musicology of Rock 2nd. Ashgate. 2002. ISBN 978-0-7546-0298-9.
"Top 50 Prodejní". Czech Albums. ČNS IFPI. Note: On the chart page, select 201722 on the field besides the word "Zobrazit", and then click over the word to retrieve the correct chart data. [2017-06-06].
Lewisohn 1992,第236頁: the first time lyrics were printed in full on a rock album; Inglis 2008,第96頁: the lyrics were printed on the back cover. Lewisohn, Mark. The Complete Beatles Chronicle:The Definitive Day-By-Day Guide To The Beatles' Entire Career 2010. Chicago Review Press. 1992. ISBN 978-1-56976-534-0. Inglis, Ian. Cover story: magic, myth, and music. Julien, Olivier (编). Sgt. Pepper and the Beatles: It Was Forty Years Ago Today. Ashgate. 2008 [2018-01-19]. ISBN 978-0-7546-6708-7. (原始内容存档于2023-10-26).
麦卡尼曾说这个名字来自他的一次空耳。他把共餐的埃文斯所说的“salt and pepper”听成了“Sergeant Pepper”。[25]这首歌中提到的“胡椒軍曹”可能是指两位英国演艺界的杰出人物:威尔·佩珀或他的儿子哈里·S·佩珀(英语:Harry S. Pepper)。威尔·佩珀是爱德华时代的表演会“威尔·C·佩珀的白浣熊”的经理。[26]