"Edogawa". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
"江戸川" [Edo River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
"江戸川" [Edo River]. Nihon Kokugo Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
web.archive.org
"Edogawa". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
"江戸川" [Edo River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
"江戸川" [Edo River]. Nihon Kokugo Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
worldcat.org
search.worldcat.org
"Edogawa". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
"江戸川" [Edo River]. Dijitaru Daijisen (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.
"江戸川" [Edo River]. Nihon Kokugo Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC56431036. Archived from the original on 2007-08-25. Retrieved 2012-08-14.