https://www.digital.archives.go.jp/item/en/1375425

[Items] "伊藤大蔵少輔ヲ米国ニ差遣シ理財会計法等ヲ調査セシム", 太00061100-01600, National Archives of Japan Digital Archive, https://www.digital.archives.go.jp/item/en/1375425accessed 2026-04-13