[1] Shurigawa | Micronations Wikia | FANDOM powered by Wikia (2016-11-08 04:17:03 +09:00) http://micronations-encyclopedia.wikia.com/wiki/Shurigawa

[2] Republic of Shurigawa - MicroWiki (2017-10-11 14:44:58 +09:00) https://micronations.wiki/wiki/Republic_of_Shurigawa

[3] 臥蛇島 - Wikipedia (2017-11-05 03:26:41 +09:00) https://ja.wikipedia.org/wiki/%E8%87%A5%E8%9B%87%E5%B3%B6

[4]

Timeline | Principality of Hashima (2017-11-17 21:06:52 +09:00) https://principalityofhashima.wordpress.com/timeline/

The People’s Republic of Hashima establishes mutual recognition and diplomatic relations with the Empire of Choseon and the Republic of Shurigawa.