[1] 巨文島 - Wikipedia (2017-01-31 12:29:11 +09:00) https://ja.wikipedia.org/wiki/%E5%B7%A8%E6%96%87%E5%B3%B6

[2] Page 6509 | Issue 25180, 22 December 1882 | London Gazette | The Gazette (2017-02-02 01:05:00 +09:00) https://www.thegazette.co.uk/London/issue/25180/page/6509