Shimonoseki (English Wikipedia)

ウリハッキョ一覧. Chongryon. Archived from the original on December 19, 2015. Retrieved October 14, 2015.().
ウリハッキョ一覧. Chongryon. November 6, 2005. Archived from the original on November 6, 2005. Retrieved October 15, 2015.

citypopulation.de

"Shimonoseki City official statistics" (in Japanese). Japan.
"姉妹友好都市". city.shimonoseki.lg.jp (in Japanese). Shimonoseki. Archived from the original on 2020-02-19. Retrieved 2020-04-08.

ウリハッキョ一覧. Chongryon. Archived from the original on December 19, 2015. Retrieved October 14, 2015.().
ウリハッキョ一覧. Chongryon. November 6, 2005. Archived from the original on November 6, 2005. Retrieved October 15, 2015.
"European Inbound tour operator - OsaTravel" オリエントフェリー運航一時休止について（お知らせ） (PDF). Archived from the original on 2016-02-07.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
"姉妹友好都市". city.shimonoseki.lg.jp (in Japanese). Shimonoseki. Archived from the original on 2020-02-19. Retrieved 2020-04-08.
"The 7th President announces the succession, The Goda-ikka, The Prefectural Police on red alert" Archived 2011-10-08 at the Wayback Machine, 21 October 2009, Yamaguchi Shimbun (in Japanese)