安原貞室

中原講堂奉安室

Saga Prefectual Library

Saga Prefectural Library Database

「室戸貞行」

Museum of Fine Arts, Boston

ARC Ukiyo-e Portal Database

「室戸貞行」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「室田貞行」

Tokyo Metropolitan Central Library

ARC Ukiyo-e Portal Database

「室田貞行」

Tokyo Metropolitan Central Library

ARC Ukiyo-e Portal Database

「後室貞高」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「室田貞行」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「後室貞高」

Metropolitan Museum of Art

ARC Ukiyo-e Portal Database

「室田貞行」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

貞安問答

National Institute of Japanese Literature

IIIF Discovery in Japan

「安倍貞任」

RHAM

ARC Ukiyo-e Portal Database

[安原貞平　清水英庵 宛書簡]

Tokyo Metropolitan Central Library

Tokyo Metropolitan Library Edo-Tokyo Digital Collections

「安部ノ貞任」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「安部ノ貞任」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「良峯ノ安貞」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

藤原光貞

National Institute of Japanese Literature

Collectors'Seals Database

藤原貞幹

National Institute of Japanese Literature

Collectors'Seals Database

藤原貞幹

National Institute of Japanese Literature

Collectors'Seals Database

藤原光貞

National Institute of Japanese Literature

Collectors'Seals Database

原貞雄印

National Institute of Japanese Literature

Collectors'Seals Database

安藤理容室／安藤美容室

Samukawa Archives

ADEAC: A System of Digitalization and Exhibition for Archive Collections

【神原小学校】交通安全教室

ADEAC: A System of Digitalization and Exhibition for Archive Collections

（貞景安堵状写）

Digital Archive Fukui

Digital Archive Fukui

「安貞妻すみ染」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e