[1] ベトナム帝国 - Wikipedia (2/21/2016, 11:36:18 PM 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 (1/28/2016, 1:17:10 AM 版) <https://commons.wikimedia.org/wiki/Category:Vietnamese_Declaration_of_Independence>