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農科大學桑樹見本園各種摺葉譜 五
Agri. Library, UTokyo Collection
國牛十圖
Agri. Library, UTokyo Collection
農科大學桑樹見本園各種摺葉譜 一
Agri. Library, UTokyo Collection
農科大學桑樹見本園各種摺葉譜 二
Agri. Library, UTokyo Collection
農科大學桑樹見本園各種摺葉譜 三
Agri. Library, UTokyo Collection
農科大學桑樹見本園各種摺葉譜 四
Agri. Library, UTokyo Collection
開坑及ビ採鑛ニ於ケル手掘ト機械掘ノ比較
Source materials for Engineering History: The University of Tokyo Digital Archive
八莖鑛山採鑛計画
Source materials for Engineering History: The University of Tokyo Digital Archive