[1] [CITE@ja[傘連判状 - Wikipedia]]
([TIME[2020-09-15T05:00:42.000Z]], [TIME[2020-09-29T11:49:01.015Z]])
<https://ja.wikipedia.org/wiki/%E5%82%98%E9%80%A3%E5%88%A4%E7%8A%B6>

[2] [[書字方向放射状]]



[3] [CITE@en[File:Sabal Tongmun.jpg - Wikimedia Commons]], [TIME[2023-12-25T11:12:54.000Z]], [TIME[2024-01-08T11:13:11.636Z]] <https://commons.wikimedia.org/wiki/File:Sabal_Tongmun.jpg>


[4] >>3 [[李氏朝鮮]]の[[東学党の乱]]における同様の[[署名]]