Thornber, Karen. 2015. Japanese Tales from Times Past: Stories of Fantasy and Folklore from the Konjaku Monogatari Shu. Translated by Naoshi Koriyama and Bruce Allen. Tokyo ; Rutland, VT: Tuttle Publishing.
Civil, Eli, and Eli Civil. n.d. “Yōkai: Everything About Japanese Monsters - Japan Yugen.” Accessed September 8, 2021. https://japanyugen.com/yokai-japanese-monsters/.
“Essential Guide to Japanese Monsters.” n.d. Bokksu. Accessed September 8, 2021. https://www.bokksu.com/blogs/news/essential-guide-to-japanese-monsters.
“Japanese Folklore and Mythology - New World Encyclopedia.” n.d. Accessed September 23, 2021. https://www.newworldencyclopedia.org/entry/Japanese_folklore_and_mythology.
Mills, D. E. 1972. “Medieval Japanese Tales: Part I.” Folklore 83 (4): 287–301.
———. 1973. “Medieval Japanese Tales: Part II.” Folklore 84 (1): 58–74.
Mittman, Asa Simon, and Peter J. Dendle, eds. 2013. The Ashgate Research Companion to Monsters and the Monstrous. 1st edition. London New York: Routledge.
“Pokédex | Pokemon.Com.” n.d. Accessed September 9, 2021. https://www.pokemon.com/us/pokedex/.
Reider, Noriko T. 2010a. “An Overview: What Are Oni?” In Japanese Demon Lore, 1–29. Oni from Ancient Times to the Present. University Press of Colorado. https://doi.org/10.2307/j.ctt4cgpqc.7.
———. 2010b. “Conclusion.” In Japanese Demon Lore, 177–84. Oni from Ancient Times to the Present. University Press of Colorado. https://doi.org/10.2307/j.ctt4cgpqc.16.
———. 2010c. “Introduction.” In Japanese Demon Lore, xviii–xxvi. Oni from Ancient Times to the Present. University Press of Colorado. https://doi.org/10.2307/j.ctt4cgpqc.6.
Shelomi, Matan, Andrew Richards, Ivana Li, and Yukinari Okido. n.d. “A Phylogeny and Evolutionary History of the Pokémon,” 4.
Sumilang-Engracia, Erika Ann. 2018. “Repackaging Japanese Culture: The Digitalization of Folktales in the Pokémon Franchise.” Mutual Images Journal, no. 5 (December): 5–30. https://doi.org/10.32926/2018.5.sum.repac.
“Tengu - New World Encyclopedia.” n.d. Accessed September 8, 2021. https://www.newworldencyclopedia.org/entry/tengu.