〔川口久名刺〕

〔多久登名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔福久茂名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

名刺（海軍少尉川久保三郎）

Fukuzawa Memorial Center for Modern Japanese Studies

Keio Object Hub

〔山口倉吉名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔野口健蔵名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

谷口清八名刺

Saga Prefectual Library

Saga Prefectural Library Database

〔山口徳之名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔山口六平名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔坂口元佐武名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔柳川平助名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

山川良一名刺

Saga Prefectual Library

Saga Prefectural Library Database

〔古川安雄名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔柳川平助名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔小川善志名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔下川喜實名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔柳川平助名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔川瀬佐一名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

南川良一名刺

Saga Prefectual Library

Saga Prefectural Library Database

〔徳川憲太郎名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

〔徳川憲太郎名刺〕

Saga Prefectual Library

Saga Prefectural Library Database

名刺

Kochi Prefectural Library

OTEPIA Kochi Library collection search

名刺

Saga Prefectual Library

Saga Prefectural Library Database

名刺

Graduate School for Law and Politics, the University of Tokyo

UTokyo Academic Archives Portal

名刺

Tomakomai City Central Library

ADEAC: A System of Digitalization and Exhibition for Archive Collections