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

This is the database of materials about diverse policies holded by Hiromi Arisawa, an economist who had a great influence on postwar economic policy.

This is the digital archive of "Nihon Shinrei" (first published in 1915 - discontinued in 1939, approximately 700 issues), an organ published by the Japanese Psychic Society.
Among the psychotherapy boom that swept through the late Meiji and Taisho eras, the society, founded in 1908, is known as the largest spiritual art organization that provides psychic treatment (psychotherapy) through its network of temples nationwide.

The Ministry of Justice continued to conduct research, collect materials, and compile a general history and other materials related to the Tokyo Trials and war crimes until the 1970s based on the "Outline of the Plan for the Collection of Materials Related to the War Trials" decided by the Ministry Council in 1956.
This database provides cross-sectional access to the vast amount of compiled and collected materials created by the Ministry of Justice during that time.
It consists of extensive source documents from the war to the 1970s.

This is the database of materials demonstrating the footprint of institutional reform design of local self-government for about half a century after the war.
It collects a huge amount of minutes and handouts including recommendations and reports of Local Administrative Investigation Committee Meeting, Local System Investigation Committee, and Decentralization Promotion Committee.

This database contains virtually every book, pamphlet and broadside published in America over a 160-year period, .amounting to more than 36,000 printed works (2,300,000 pages).
It is based on Charles Evans’ renowned “American Bibliography” and Roger Bristol’s critical supplement and 1,200 newly registered materials are added to it.

An extensive collection of documents belonging to Takeo Miki (1907-88), who served as 66th Prime Minister of Japan. In addition to primary sources showing the international situation particularly in Asia, the Middle East, and in Soviet-Chinese-US relations during the turbulent years of the 1960s to‘80s, Related Documents on Takeo Miki serves as a rich source of information on Japanese domestic affairs, including administrative and financial reform, pollution and environmental problems, social security, and issues in education.

The First Period (Sato Eisaku Papers)
Unpublished materials left by Minoru Kusuda (1924-2003), the chief secretary who supported the Eisaku Sato administration (1964-1972).
The documents are virtually the "Sato Eisaku Papers," consisting of first-class, top-secret materials on everything from diplomacy to domestic politics.
This is a large collection of over 4,000 items, and is an indispensable basic historical document for the future of postwar history.

The former collection of Teiji Yabe (1902-1967), a political scientist who was deeply involved in realpolitik before and after World War II. The collection contains a vast amount of original materials, amounting to approximately 6,000 items left in Yabe's possession.
The collection covers the period from the prewar period to the late 1960s, and includes Yabe's own handwritings and correspondence as well as internal documents of various organizations he was involved with from the prewar to the postwar period.

A large cache of documents left by Masayoshi Ohira (1910-1980), 68th and 69th Prime Minister of Japan.