久重書状（永井文書）

島津久哲書状（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

松永久秀書状

Waseda University Library

ARC Early Japanese Book Portal Database

永井系図（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

永井家文書

ADEAC: A System of Digitalization and Exhibition for Archive Collections

永井久一郎書翰伯爵大隈重信

Waseda University Library

ARC Early Japanese Book Portal Database

文久永宝

Fukuoka City Museum

Fukuoka City Museum Collection Database

文久永宝

Fukuoka City Museum

Fukuoka City Museum Collection Database

〔付箋〕（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔古扇〕（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

私領注文（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

永井久一郎像

Edo-Tokyo Museum

Tokyo Museum Collection

永井久一郎像

Edo-Tokyo Museum

Tokyo Museum Collection

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

嶋井久左衛門書状

Fukuoka City Museum

Fukuoka City Museum Collection Database

〔坪付帳〕（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

久永書庫

National Institute of Japanese Literature

Collectors'Seals Database

文久永宝母銭

Edo-Tokyo Museum

Tokyo Museum Collection