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Regarding the first issue of Shido published by the Daito Bunka Gakuin Shidokai (dated March 1930)
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Regarding the fifth issue of Tobun (Eastern Culture), published by the Daito Bunka Gakuin Hokokudan Zasshihan (dated September 1943)
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Regarding the Daito Bunka Gakuin Shozoki, the ownership stamp during Daito Bunka Gakuin’s founding period
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Attached table: Tokyo Gakko Soran (A Complete Guide to Schools in Tokyo), Kisou Deguchi, Ichimoku Ryozen Tokyo Yugaku Gakko Annai (A Concise Guide to Pursuing Studies at Schools in Tokyo), published in February 1925