[1] 漢字字体規範史データセット, 2021-03-08T04:07:47.000Z, 2022-01-11T07:02:00.080Z https://www.hng-data.org/

[2] HNG · GitLab, 2023-07-15T12:54:16.000Z https://gitlab.hng-data.org/HNG

[3] hng-vc_2021-03 - 2021-03-20_morioka.pdf, 2021-03-20T10:09:36.000Z, 2023-09-06T09:11:34.520Z https://www.hng-data.org/events/2021-03-20_morioka.pdf