[8] 万葉仮名 - ウィクショナリー日本語版, , https://ja.wiktionary.org/wiki/%E4%B8%87%E8%91%89%E4%BB%AE%E5%90%8D
[9] たのしい万葉集: 万葉仮名(まんようがな), , https://art-tags.net/manyo/kana/index.html
[6] ひらがなとカタカナの字母 -- Key:雑学事典, , https://www.7key.jp/data/language/hiragana_katakana.html
[4] 万葉仮名 - Wikipedia, , https://ja.wikipedia.org/wiki/%E4%B8%87%E8%91%89%E4%BB%AE%E5%90%8D
[7] 上代特殊仮名遣 - Wikipedia, , https://ja.wikipedia.org/wiki/%E4%B8%8A%E4%BB%A3%E7%89%B9%E6%AE%8A%E4%BB%AE%E5%90%8D%E9%81%A3
[2] 法隆寺五重塔初層天井組木落書 - Wikipedia () https://ja.wikipedia.org/wiki/%E6%B3%95%E9%9A%86%E5%AF%BA%E4%BA%94%E9%87%8D%E5%A1%94%E5%88%9D%E5%B1%A4%E5%A4%A9%E4%BA%95%E7%B5%84%E6%9C%A8%E8%90%BD%E6%9B%B8
[3] 8_KJ00008127333.pdf, https://www.jstage.jst.go.jp/article/nihongonokenkyu/8/1/8_KJ00008127333/_pdf/-char/ja