〔鹿島陸軍予備病院書簡封筒〕

〔福島書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

陸軍病院

Ishikawa Prefectural Library

Ishikawa Prefectural Library Comprehensive search system (SHOSHO)

〔中島嘉市書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

書簡〔封筒〕

Kochi Prefectural Library

OTEPIA Kochi Library collection search

（書簡封筒）

Naruto University of Education

IIIF Discovery in Japan

（書簡封筒）

Naruto University of Education

IIIF Discovery in Japan

〔書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

〔書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

書簡封筒

Fukuoka City Museum

Fukuoka City Museum Collection Database

[絵葉書](封筒)鯖江陸軍病院娯楽室 愛国寮竣工記念

Digital Archive Fukui

Digital Archive Fukui

（書簡封筒）他

Naruto University of Education

IIIF Discovery in Japan

何書簡封筒

Saga Prefectual Library

Saga Prefectural Library Database

〔斎藤書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

〔田上書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

〔川副書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

〔小幡書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

〔石丸書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

〔廣渡書簡封筒〕

Saga Prefectual Library

Saga Prefectural Library Database

（書簡封筒　7点）

History of the Aomori Prefecture Digital Archive

Documents and Literature Database of Aomori Prefectural History

書簡（封筒のみ）

Fukuoka City Museum

Fukuoka City Museum Collection Database

書簡（封筒のみ）

Fukuoka City Museum

Fukuoka City Museum Collection Database

書簡（封筒のみ）

Fukuoka City Museum

Fukuoka City Museum Collection Database

書簡（封筒のみ）

Fukuoka City Museum

Fukuoka City Museum Collection Database

書簡（封筒のみ）

Fukuoka City Museum

Fukuoka City Museum Collection Database