[1] ベトナム帝国 - Wikipedia (2016-02-22 08:36:18 +09:00 版) <https://ja.wikipedia.org/wiki/%E3%83%99%E3%83%88%E3%83%8A%E3%83%A0%E5%B8%9D%E5%9B%BD>

[2] Category:Vietnamese Declaration of Independence - Wikimedia Commons (2016-01-28 10:17:10 +09:00 版) <https://commons.wikimedia.org/wiki/Category:Vietnamese_Declaration_of_Independence>