松永久秀書状

頴娃久秀書状

Kyushu National Museum

Integrated Collections Database of the National Museums, Japan

久重書状（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

[松永貞徳書状]

Kyoto University Museum

IIIF Discovery in Japan

書状（久松の件）

Fukuoka City Museum

Fukuoka City Museum Collection Database

「芳年武者旡類」 「弾正忠松永久秀」

National Diet Library, Japan

ARC Ukiyo-e Portal Database

「芳年武者牙類 弾正忠松永久秀」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

島津久哲書状（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

「太平記英勇伝」「十四」「松永弾正久秀」

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

書状（久松死去の件）

Fukuoka City Museum

Fukuoka City Museum Collection Database

書状（久松病気の件）

Fukuoka City Museum

Fukuoka City Museum Collection Database

久永書庫

National Institute of Japanese Literature

Collectors'Seals Database

（松村久右衛門外書状）

Digital Archive Fukui

Digital Archive Fukui

〔徳久秀治書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

〔徳久秀治書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

［秀吉書状写］

Fukuoka City Museum

Fukuoka City Museum Collection Database

永忠書状

Saga Prefectual Library

Saga Prefectural Library Database

〔親永書状〕

Kyushu University Collections

Kyushu University Collections

久松蔵書

National Institute of Japanese Literature

Collectors'Seals Database

真久書状

Saga Prefectual Library

Saga Prefectural Library Database

真久書状

Saga Prefectual Library

Saga Prefectural Library Database

眞久書状

Saga Prefectual Library

Saga Prefectural Library Database

（経蔵院永秀書状）〔渡唐支援依頼〕

Keio University Media Center

Keio Object Hub

[歴民カード_歴史] 仙石秀久折紙書状

National Museum of Japanese History

IIIF Discovery in Japan

[歴民カード_歴史] 仙石秀久折紙書状

National Museum of Japanese History

IIIF Discovery in Japan