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<https://library.nao.ac.jp/kichou/okada.html>

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[3] [CITE@ja-JP[グレゴリー暦の文化史的研究 : 現行暦の起源と普及および改良問題]], [[岡田芳朗]], [TIME[1959]], [TIME[2023-03-28T13:58:31.000Z]], [TIME[2023-04-14T09:47:29.634Z]] <https://dl.ndl.go.jp/pid/1377869/1/4> (要登録)

[4] [CITE@ja-JP[SUT bulletin 3(1)(19)]], [[東京理科大学]], [TIME[1986-01]], [TIME[2023-05-15T11:26:02.000Z]], [TIME[2023-05-25T08:47:19.389Z]] <https://dl.ndl.go.jp/pid/2343204/1/11> (要登録)

[5] [CITE@ja-JP[古代 = Journal of the Archaeological Society of Waseda University (29/30)]], [[早稲田大学考古学会]], [TIME[1958-10]], [TIME[2023-11-28T02:04:43.000Z]], [TIME[2023-11-28T06:01:38.136Z]] <https://dl.ndl.go.jp/pid/6062471/1/44> (要登録)



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[CITE@ja-JP[干支の書]], [[現代企画]], [TIME[1984.10][1984]], [TIME[2024-11-28T09:48:19.000Z]], [TIME[2024-12-24T03:17:52.789Z]] <https://dl.ndl.go.jp/pid/12609186/1/10> (要登録)

[8] [CITE@ja-JP[日本歴史「古文書」総覧]], [[新人物往来社]], [TIME[1992.4][1992]], [TIME[2025-12-18T02:09:35.000Z]], [TIME[2025-12-27T14:57:27.385Z]] <https://dl.ndl.go.jp/pid/13232333/1/62> (要登録)


[9] 
[CITE@ja[itabishiryosyu.pdf]], [TIME[2026-01-16T02:47:44.000Z]], [TIME[2026-05-07T06:02:14.421Z]] <https://www.city.tokyo-nakano.lg.jp/kusei/sonota/0686168720240517155217108.files/itabishiryosyu.pdf>