[碇山将曹　奥四郎 宛書簡]

[木村元進　奥田惣四郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

（奥田宛書簡）

Digital Archive Fukui

Digital Archive Fukui

[阿部将翁　遠山 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[奥田直九郎　奥田三角 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[丸目三四郎　小泉檀山〔檀山〕 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

〔碇武吉書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔碇武吉書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔碇武吉書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔碇武吉書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔碇武吉書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔碇武吉書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

[山寺常山　歳五郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

（盛熊四郎宛書簡など）

History of the Aomori Prefecture Digital Archive

Documents and Literature Database of Aomori Prefectural History

[入江南溟　奥田清十郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[伊藤東里　奥田清十郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[谷重遠（丹三郎）　奥宮藤九郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

〔四郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

[佐藤平四郎　小泉檀蔵〔檀山〕 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[奥野金平　小泉斐〔檀山〕 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[岩下方平　桂〔四郎〕 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[野村彦四郎　清川 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[藤井竹外　藤四郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

[池玉瀾　奥田 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

陸奥宗光書簡　陸奥亮子宛

NDL Digital Collections

NDL Digital Collections