This collection contains a group of materials edited and published by the Research Institute for Local Autonomy, established in 1974, including the "Jichi Soken" (monthly magazine), "Jichi Soken Booklets," "Research Institute Materials," and "Departmental Materials" etc.

This is a complete collection of all 67 volumes of the records of the Tokyo Military Tribunal for The February 26 Incident, which were discovered by the Tokyo District Public Prosecutor's Office and long said to "not exist".

This is the vast collection of documents left by Goto Shinpei (1857-1929), a bureaucrat and politician who was active from the Meiji era to the early Showa era.
Goto Shinpei played an active role in the administration of Japan's colonies, including serving as the Civil Administrator of the Taiwan Governor's Office and the first president of the Manchurian Railway Company. He also held important positions such as Minister of Communications, Minister of Internal Affairs, Minister of Foreign Affairs, Mayor of Tokyo, and President of the Imperial Reconstruction Agency.

"Mita Bungaku" was first published in 1910 under the leadership of Nagai Kaifu, who was then a senior professor at the Faculty of Literature, Keio University. This database digitized 397 volumes from its first issue to the end of the war. In order to compete with "Waseda Bungaku", which was a stronghold of naturalism, members of "Subaru", "Shin Shicho", etc. came together.

This is the database of materials holded by Kiichi Miyazawa (1919 - 2007), the 78th Prime Minister of Japan.
The collection covers the period when Miyazawa held important positions, and consists of original materials such as unpublished diaries and memos, diplomatic documents, ministry and party policy materials, and correspondence with key figures in Japan and abroad.

This is the online database of Yuho-Bunko Collection, which held by The Research Institute for Oriental Cultures Gakushuin University. It contains a large number of valuable materials on Korea during the colonial period. The collection includes memos, reports, and other internal documents left behind by bureaucrats and officials of the Governor-General's Office of Korea, which provide a glimpse into the actual state of colonial rule policies.

This is a collection of primary documents related to contemporary U.S. national security held by The National Security Archive (NSA) in the United States.

Japan and the United States: Diplomatic, Security, and Economic Relations, Part III, 1961-2000

The collection contains approximately 450 autographs of more than 60 modern literature writers from the Meiji period to the early postwar period, which are held by the Kyoshi Memorial Literature Museum.
Major authors included in the collection are Takahama Kyoshi, Natsume Soseki, Mori Ogai, Akutagawa Ryunosuke, Masaoka Shiki, Sato Haruo, Nagatsuka Setsu, etc. The contents include manuscripts, letters, and manuscripts of haiku meetings.
This is an essential collection of materials not only for modern literature, but also for the history of modern art and publishing culture.

This database contains the American Antiquarian Society's collection of American magazines.
It contains over 6,000 titles published between the late 17th and early 20th centuries. Over 7 million pages in total.

From the vast collection of materials held by Sakae Wagatsuma (1897-1973), one of the leading postwar legal scholars, this collection covers the fields of constitutional law, the judicial system, civil law, civil procedure, land and house lease, and atomic energy. It is composed mainly of materials from the Legislative Council and study groups in which Wagatsuma participated, and is particularly rich in materials related to the revision of the Civil Code, judicial system reform, and the enactment of the Nuclear Damage Compensation Law.