[1] [CITE@ja-JP[川口市史 古代・中世資料編]], [[川口市]], [TIME[1978.12][1978]], [TIME[2024-01-04T10:11:04.000Z]], [TIME[2024-01-04T13:20:32.730Z]] <https://dl.ndl.go.jp/pid/9641575/1/300> (要登録)
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[[遡及年号]]


[566] 
[TIME[2025-11-19T10:07:15.000Z]]
<https://tsuru.repo.nii.ac.jp/record/2000111/files/%E9%A6%99%E5%8F%96%E6%96%87%E6%9B%B8%E8%AA%BF%E6%9F%BB%E5%A0%B1%E5%91%8A%E6%9B%B8%E3%80%80%E9%A6%99%E5%8F%96%E6%96%87%E6%9B%B8%E3%81%AE%E6%96%87%E5%8C%96%E8%B2%A1%E3%81%A8%E3%81%97%E3%81%A6%E3%81%AE%E4%BF%9D%E5%AD%98%E3%81%AB%E5%90%91%E3%81%91%E3%81%9F%E5%9F%BA%E7%A4%8E%E7%9A%84%E7%A0%94%E7%A9%B6%20.pdf>
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[[延長年号]]