永井系図（永井文書）

永井家文書

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔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

久重書状（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔坪付帳〕（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

筑紫系図寛永系譜抄

Fukuoka City Museum

Fukuoka City Museum Collection Database

酒井家系図

Tokyo National Museum

Integrated Collections Database of the National Museums, Japan

永井蔵書

National Institute of Japanese Literature

Collectors'Seals Database

永井蔵書

National Institute of Japanese Literature

Collectors'Seals Database

島津久哲書状（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

増井文庫図書

National Institute of Japanese Literature

Collectors'Seals Database

永井氏家蔵図書之印

National Institute of Japanese Literature

Collectors'Seals Database

永井星渚書

Edo-Tokyo Museum

Tokyo Museum Collection

永井氏蔵書

National Institute of Japanese Literature

Collectors'Seals Database

永井書屋記

National Institute of Japanese Literature

Collectors'Seals Database

永井家北郷家幕下成功之一巻奥書写（永井文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

嘉永井路絵図

大分市歴史資料館

city of oita official digital archive

染井文庫図書記

National Institute of Japanese Literature

Collectors'Seals Database

御系図（秀康ヨリ慶永マデ）

Digital Archive Fukui

Digital Archive Fukui

永井

National Institute of Japanese Literature

Collectors'Seals Database

某家系図断片（本田文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

島津家系図写（本田文書）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔井手永敏書簡〕

Saga Prefectual Library

Saga Prefectural Library Database