“Archaeologists may have found Egypt's oldest mummy,” CNN.com, Jan 2023, https://www.cnn.com/style/article/egypt-oldest-mummy-uncovered-intl-scli-scn/index.html
“Blue Beard—Charles Perrault.” Pitt.edu. Accessed September 8, 2022. https://sites.pitt.edu/~dash/perrault03.html
“Fairy tale origins thousands of years old, researchers say.” BBC. January 20, 2016. https://www.bbc.com/news/uk-35358487
“French Knight Gilles de Rais Inspired the Folktale “Bluebeard.” The Archive. October 27, 2021. https://explorethearchive.com/gilles-de-rais
Green, Roger Lancelyn. Tales of ancient Egypt. (Puffin Books, 1976). Pp 180 – 184. https://archive.org/details/talesofancienteg00gree/page/180/mode/2up
Kroó, Gy. “Duke Bluebeard's Castle.” Studia Musicologica Academiae Scientiarum Hungaricae. T. 1, Fasc. 3/4 (1961) Pp. 253-262. https://www.jstor.org/stable/901511
Lidov, Joel B. “Sappho, Herodotus, and the Hetaira.” Classical Philology, Vol. 97, No. 3 (2002), pp. 203. https://www.jstor.org/stable/1215522
“Little Snow-White—Jacob and Wilhelm Grimm.” Pitt.edu. Accessed September 8, 2022. https://sites.pitt.edu/~dash/grimm053.html
Ruddick, Nicholas. “Not So Very Blue, after All": Resisting the Temptation to Correct Charles Perrault's Bluebeard.” Journal of the Fantastic in the Arts. Vol. 15, No. 4 (2004), P. 346 https://www.jstor.org/stable/43308720
“Sappho, Rhodopis and Delphi.” The Delphi Guide. Accessed September 9, 2022. https://thedelphiguide.com/sappho-rhodopis-delphi
“Strabo Geography.” University of Chicago. Accessed September 9, 2022. https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Strabo/17A3*.html#ref178
Tehrani, Jamshid J. and da Silva, Sara Graca. “Comparative phylogenetic analyses uncover the ancient roots of Indo-European folktales.” R. Soc. open sci.3: 150645. 150645. https://royalsocietypublishing.org/doi/10.1098/rsos.150645
“The 2,200-year-old Tale of the Chinese Cinderella.” Ancient Origins. July 29, 2015. https://www.ancient-origins.net/news-myths-legends/fish-wish-your-heart-makes-2200-year-old-tale-chinese-cinderella-003506
“The Bloody Baron of Brittany.” Bonjour From Brittany. May 3, 2020. https://bonjourfrombrittany.wordpress.com/2020/05/03/the-bloody-baron-of-brittany
“The Breton Bluebeard.” Mike Dash History. December 28, 2015. https://mikedashhistory.com/2015/12/28/the-breton-bluebeard
“The Disturbing Origins of 10 Famous Fairy Tales.” Flavorwire. November 8, 2012. https://www.flavorwire.com/344667/the-disturbing-origins-of-10-famous-fairy-tales
“Ye Xian.” Storytelling for Everyone. March 19, 2021. https://storytellingforeveryone.net/ye-xian