[1] Amazon.co.jp: 方言漢字事典 : 笹原 宏之, 笹原 宏之: 本, 2023-11-06T07:21:54.000Z https://www.amazon.co.jp/exec/obidos/ASIN/476745025X/wakaba1-22/

[2] 「垳」を守る会 「方言漢字」の補足, gake840, 2023-12-26T02:45:32.000Z, 2023-12-26T02:48:51.050Z http://gake840.blog.fc2.com/blog-entry-471.html