https://www.digital.archives.go.jp/item/en/1730770

[Items] "大正六年勅令第四十七号鉱業ノ出願ニ関スル事務ニ従事セシムル為鉱務署ニ臨時職員増置ノ件ヲ改正ス", 類01273100-00900, National Archives of Japan Digital Archive, https://www.digital.archives.go.jp/item/en/1730770accessed 2026-04-14