https://www.digital.archives.go.jp/item/en/2492478

[Items] "波蘭国ワルソー駐在領事亀井信幸ヘ御委任状御下付ノ件", 纂01577100-03400, National Archives of Japan Digital Archive, https://www.digital.archives.go.jp/item/en/2492478(accessed 2026-11-13)