^Tokuse, Takahiko, and Eriko Oka. "Life in Archaeological Sites and Settlements in Asuka Village as a Model Case for Managing Settlements Adjacent to Archaeological Sites: A Proposal for the Future of Saqqara." The journal of Center for the Global Study of Cultural Heritage and Culture 2 (2015): 5-20.
^"Burial Mounds in Europe and Japan: Comparative and Contextual Perspectives". 30 September 2018. doi:10.2307/j.ctv1228gf7. S2CID 240193791. {{cite journal}}: Cite journal requires |journal= (help)
^"Kengoshizuka Kofun Tumulus, Koshitsuka-gomon Kofun Tumulus". Exploring the Footsteps of the Heroines of Asuka. Retrieved 2023-10-20.
^ a b"Octagonal burial mound said to belong to ancient Japan empress reconstructed in Nara Pref". Mainichi Daily News. 2022-03-04. Retrieved 2023-10-20.
^"Gobyōyama Kofun (in Kyōto) - Passage Grave in Japan in Honshū". The Megalithic Portal. Retrieved 2023-10-21.