“About Agatha Christie.” The Home of Agatha Christie, Images by The Christie Archive Trust, 2024, www.agathachristie.com/about-christie#christies-life
“Agatha Christie.” Britannica, Encyclopaedia Britannica, 19 Sep. 2024, www.britannica.com/biography/AgathaChristie
Christie, Agatha. Murder on the Orient Express. United Kingdom, Collins Crime Club, 1934.
Christie, Agatha. The Mysterious Affair at Styles. United States, John Lane, 1920.
Gahr, Tim. "Death on the Nile Themes: Selfishness and Generosity." LitCharts. LitCharts LLC, 31 Jul 2021. Web. 5 Dec 2024.
Hilton, Claire. “1926: History, psychiatry, and Agatha Christie.” Royal College of Psychiatrists, 2024,www.rcpsych.ac.uk/news-and-features/blogs/detail/history-archives-and-library-blog/2022/11/28/disappearance-agatha-christie
Keating, H.R.F. "Agatha (Mary Clarissa) Christie.” Gale Literature Resource Center, Gale, 1989. go.gale.com/ps/retrieve.do?tabID=T002&resultListType=RESULT_LIST&searchResultsType=SingleTab&retrievalId=8d3c0978-320d-4db3-ab81-2e17a9d927a7&hitCount=8&searchType=PersonSearchForm¤tPosition=3&docId=GALE%7CH1200002590&docType=Biography&sort=Relevance&contentSegment=LRCDLB&prodId=LitRC&pageNum=1&contentSet=GALE%7CH1200002590&searchId=R1&userGroupName=coal1
Knepper, Marty S. "Agatha Christie--Feminist." Novels for Students, edited by Marie Rose Napierkowski and Deborah A. Stanley, vol. 8, Gale, 2000. Gale Literature Resource Center, link.gale.com/apps/doc/H1420031576/LitRC?u=coal19787&sid=bookmark-LitRC&xid=6561688d. Accessed 6 Dec. 2024. Originally published in Armchair Detective, vol. 16, no. 4, Winter 1983, pp. 398-406.
McCormick, Jinny. “How Agatha Christie’s Terrible Experience as a WWI Nurse Helped Inspire Hercule Poirot.” War History Online, 14 Nov. 2015, www.warhistoryonline.com/featured/agatha-christie-worlds-greatest-mystery-novelist-inspired-wartime-service.html
Ro, Christine. “The Casual Classism of Agatha Christie.” Ploughshares at Emerson College, 2017, https://pshares.org/blog/the-casual-classism-of-agatha-christie/ Accessed on 3 December 2024.
Singh, Simran. “Critical Analysis: Murder on the Orient Express.” Owlcation, HUBPAGES, 2019, https://owlcation.com/humanities/Critical-Review-Murder-On-The-Orient-Express Accessed 2 December 2024.