[1] [CITE@ja[宋書 - Wikipedia]]
([TIME[2021-10-29T02:00:37.000Z]], [TIME[2021-10-30T03:33:18.123Z]])
<https://ja.wikipedia.org/wiki/%E5%AE%8B%E6%9B%B8>

[2] [CITE@ja[宋書 - Wikisource]]
([TIME[2021-10-16T03:33:36.000Z]], [TIME[2021-10-30T03:33:38.351Z]])
<https://zh.wikisource.org/wiki/%E5%AE%8B%E6%9B%B8?uselang=ja>