* 延長年号

[1] [CITE@ja-JP[書道 7(10)(82)]], [[泰東書道院出版部]], [TIME[1938-10]], [TIME[2025-09-30T02:09:54.000Z]], [TIME[2025-10-10T14:52:44.795Z]] <https://dl.ndl.go.jp/pid/1543456/1/30?keyword=%E5%A4%AA%E4%BA%A8> (要登録)

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