[1] 宋書 - Wikipedia (10/29/2021, 2:00:37 AM, 10/30/2021, 3:33:18 AM) https://ja.wikipedia.org/wiki/%E5%AE%8B%E6%9B%B8

[2] 宋書 - Wikisource (10/16/2021, 3:33:36 AM, 10/30/2021, 3:33:38 AM) https://zh.wikisource.org/wiki/%E5%AE%8B%E6%9B%B8?uselang=ja