〔安藤善四郎葉書〕

安田善四郎・安田善次郎書簡

Saga Prefectual Library

Saga Prefectural Library Database

〔安田善四郎・善次郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔安田善四郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔安田善四郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔河村藤四郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

[佐藤暢　安生順四郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

〔安藤徳明葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

加藤梅四郎書

Daito Bunka University

DAITO BUNKA UNIVERSITY Digital Archives

（書簡・後藤利八郎・後藤善助宛）

Naruto University of Education

IIIF Discovery in Japan

〔坂井藤四郎書翰〕

Saga Prefectual Library

Saga Prefectural Library Database

〔加藤十四郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔加藤弥四郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

加藤本四郎･封書

Minakata Kumagusu Archives

Minakata Kumagusu Residence: Library, Herbarium, Documents

加藤本四郎･封書

Minakata Kumagusu Archives

Minakata Kumagusu Residence: Library, Herbarium, Documents

加藤本四郎･封書

Minakata Kumagusu Archives

Minakata Kumagusu Residence: Library, Herbarium, Documents

〔鴨井藤太郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

〔佐藤峰太郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

〔佐藤峰太郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

〔鴨打藤太郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

[藤井竹外　藤四郎 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

〔安井承一郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

〔安井精一郎葉書〕

Saga Prefectual Library

Saga Prefectural Library Database

安藤蔵書

National Institute of Japanese Literature

Collectors'Seals Database

安藤蔵書

National Institute of Japanese Literature

Collectors'Seals Database