"中国山地" [Chūgoku Mountains]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"中国山地" [Chūgoku Mountains]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"Ōtagawa". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"天神川" [Tenjin River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"江の川" [Gōnokawa River]. Nihon Rekishi Chimei Taikei (in Japanese). Tokyo: Shogakukan. 2012. OCLC173191044. dlc 2009238904. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"神戸川" [Kando River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"中国山地" [Chūgoku Mountains]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"中国山地" [Chūgoku Mountains]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"Ōtagawa". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"天神川" [Tenjin River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"江の川" [Gōnokawa River]. Nihon Rekishi Chimei Taikei (in Japanese). Tokyo: Shogakukan. 2012. OCLC173191044. dlc 2009238904. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"神戸川" [Kando River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"中国山地" [Chūgoku Mountains]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"中国山地" [Chūgoku Mountains]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC153301537. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"Ōtagawa". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"天神川" [Tenjin River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"江の川" [Gōnokawa River]. Nihon Rekishi Chimei Taikei (in Japanese). Tokyo: Shogakukan. 2012. OCLC173191044. dlc 2009238904. Archived from the original on 2007-08-25. Retrieved 2012-09-11.
"神戸川" [Kando River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-09-11.