Public domain
[Nanbu Calendar], Taishō 2, 4-8, 10-12, 14, 15, Shōwa 2-4, 9
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Credit line[南部暦] 大正2,4-8,10-12,14,15,昭和2-4,9年. 1912-1933. National Diet Library, Japan. Public domain.