* 元号名

[1] [CITE@ja-JP[日本社会の史的構造 古代・中世]], [[大山喬平教授退官記念会]], [TIME[1997.5][1997]], [TIME[2025-09-30T02:09:54.000Z]], [TIME[2025-10-17T07:01:47.423Z]] <https://dl.ndl.go.jp/pid/13134073/1/176?keyword=%E5%85%83%E6%96%87> (要登録)

[[元久]]の誤写

* 改元日

[2] [CITE@ja-JP[大分県地方史 (71)]], [[大分県地方史研究会]], [TIME[1973-10]], [TIME[2025-10-29T01:48:45.000Z]], [TIME[2025-12-17T12:41:32.331Z]] <https://dl.ndl.go.jp/pid/4436902/1/23?keyword=%E5%85%83%E6%96%87> (要登録)

* メモ