よみがえる天平の甍:国指定史跡上総国分尼寺跡 [Restoring the Tempyō Tiles: The Kazusa Kokubunniji National Historical Site] (PDF) (in Japanese). Ichihara, Chiba Prefecture, Japan: Kazusa Kokubunniji National Historical Site Exhibition Hall. c. 1998. Retrieved Nov 21, 2012.
jkn21.com
rekishi.jkn21.com
"上総国" [Kazusa Province]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2012-09-04.
"上総国分寺跡" [Remains of Kazusa Kokubun-ji]. Nihon Rekishi Chimei Taikei (in Japanese). Tokyo: Shogakukan. 2012. OCLC173191044. dlc 2009238904. Archived from the original on 2007-08-25. Retrieved 2012-11-21.
web.archive.org
"上総国" [Kazusa Province]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2012-09-04.
"上総国分寺跡" [Remains of Kazusa Kokubun-ji]. Nihon Rekishi Chimei Taikei (in Japanese). Tokyo: Shogakukan. 2012. OCLC173191044. dlc 2009238904. Archived from the original on 2007-08-25. Retrieved 2012-11-21.
worldcat.org
search.worldcat.org
"上総国" [Kazusa Province]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2012-09-04.
"上総国分寺跡" [Remains of Kazusa Kokubun-ji]. Nihon Rekishi Chimei Taikei (in Japanese). Tokyo: Shogakukan. 2012. OCLC173191044. dlc 2009238904. Archived from the original on 2007-08-25. Retrieved 2012-11-21.