The organization published their first catalogs of historical documents in [[1901]], a ''Dai Nippon shiryô'', and ''Dai Nippon komonjo''. In [[1906]], they took over custody of a collection of [[Bakumatsu]] period diplomatic documents from the [[Ministry of Foreign Affairs]]. | The organization published their first catalogs of historical documents in [[1901]], a ''Dai Nippon shiryô'', and ''Dai Nippon komonjo''. In [[1906]], they took over custody of a collection of [[Bakumatsu]] period diplomatic documents from the [[Ministry of Foreign Affairs]]. |