https://www.digital.archives.go.jp/item/en/2492479

[Items] "秘露国里馬駐在ボリビヤ国兼勤帝国領事斎藤藤和ニ対スル御委任状二通御用済ニ付返納ノ件", 纂01577100-00200, National Archives of Japan Digital Archive, https://www.digital.archives.go.jp/item/en/2492479(accessed 2026-11-10)