「宇藤次郎」

「宇藤次郎」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「宇藤治郎」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

工藤次郎八

National Institute of Japanese Literature

Collectors'Seals Database

「宇野十郎」「藤川力之助」

Mario Marega Collections, Salesian University, Rome

ARC Ukiyo-e Portal Database

鳥巣宇次郎退学ノ件

The University of Tokyo Archives

UTokyo Academic Archives Portal

佐藤虎次郎･封書

Minakata Kumagusu Archives

Minakata Kumagusu Residence: Library, Herbarium, Documents

佐藤虎次郎･封書

Minakata Kumagusu Archives

Minakata Kumagusu Residence: Library, Herbarium, Documents

佐藤虎次郎･封書

Minakata Kumagusu Archives

Minakata Kumagusu Residence: Library, Herbarium, Documents

後藤又次郎書状

Yamaguchi Prefecture Archives

ADEAC: A System of Digitalization and Exhibition for Archive Collections

加藤次郎の凱旋

NDL Digital Collections

NDL Digital Collections

加藤次郎の凱旋

NDL Digital Collections

NDL Digital Collections

加藤次郎の凱旋

NDL Digital Collections

NDL Digital Collections

加藤秀次郎商店

Toyohashi City Library

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔佐藤平次郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

後藤又次郎書状

Yamaguchi Prefecture Archives

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔近藤清次郎書簡〕

Saga Prefectual Library

Saga Prefectural Library Database

「藤吉 浅尾勇次郎」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

宇佐藤園

National Institute of Japanese Literature

Collectors'Seals Database

「斎藤金次　川上音二郎」「江口十作　藤沢浅次郎」

Tokyo Metropolitan Central Library

ARC Ukiyo-e Portal Database

「斎藤金次 川上音二郎」「江口十作 藤沢浅次郎」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「斎藤金次 川上音二郎」「江口十作 藤澤浅次郎」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

「斎藤金次 川上音二郎」「江口十作 藤澤浅次郎」

The Tsubouchi Memorial Theatre Museum, Waseda University

The database of ukiyo-e

富士山（大下藤次郎）

Mt.Fuji World Heritage Center, Shizuoka

ADEAC: A System of Digitalization and Exhibition for Archive Collections

〔佐藤平次郎年賀状〕

Saga Prefectual Library

Saga Prefectural Library Database