Onrain-ban Bōei seisakushi shiryō「オンライン版 防衛政策史資料」is the collection of historical materials of the Defense Agency which transferred to the National Archives in 2005. It contains the portion of the memoirs and testimonies of former members of the Defense Agency and the Japan Self-Defense Forces such as Kubo bunsho 「久保文書」and Ito Bunsho 「伊藤文書」