Morton N. Cohen: Hargreaves [née Liddell], Alice Pleasance. In: Oxford Dictionary of National Biography. Oxford University Press, 23. September 2004, doi:10.1093/ref:odnb/55226 (englisch).
P. J. Harris: The Movers & Shakers of Victorian England. A Who’s Who of History's Most Gifted, Famous And Influential People. English Heritage (Hrsg.), Think Books, 2006, ISBN 1-905624-06-9, S. 73 (google.de).
Alice On the Auction Block; Granddaughter of Lewis Carroll’s Muse Puts Family Collection Up for Sale. 19. April 2001, archiviert vom Original (nicht mehr online verfügbar) am 27. Mai 2011; abgerufen am 28. August 2021: „after the death of her father, Caryl, Alice’s only surviving son, that Mrs. St. Clair -- herself an only child and thus the heir to the archive -- began to realize how important the Alice volumes resting unobtrusively in the living room really were.“
Alice On the Auction Block; Granddaughter of Lewis Carroll’s Muse Puts Family Collection Up for Sale. 19. April 2001, archiviert vom Original (nicht mehr online verfügbar) am 27. Mai 2011; abgerufen am 28. August 2021: „after the death of her father, Caryl, Alice’s only surviving son, that Mrs. St. Clair -- herself an only child and thus the heir to the archive -- began to realize how important the Alice volumes resting unobtrusively in the living room really were.“
