Japan Digital Archives Center, or J-DAC, is a joint enterprise between MARUZEN-YUSHODO Company, Limited, Dai Nippon Printing Co., Ltd. Inspired by the insatiable curiosity of humanity that drives its everlasting pursuit for knowledge, the mission of J-DAC is to provide a multidisciplinary archival platform for researchers in the humanities and social sciences through the collection and consolidation of various cultural and historical records of Japan.

Political History of Japan / Legal History

Contains materials of legal fields, political history, administrative history, nuclear energy policy, and family sociology that Sakae, one of the leading Japanese civil law scholars after the War, left behind.

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The minutes of the court martial of the February 26 Incident found at the Tokyo District Public Prosecutor's Office are recorded with detailed catalogs and explanations.

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Contains original materials related to postwar social and energy policy picked up from wide range of the primary historical materials left by Hiromi Arisawa.

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Contains more than 200 unpublished diaries, notebooks, and notebooks of Saburo Okita, an economist and economic bureaucrat who represents the postwar period.

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A huge group of documents left by the 66th Japanese prime minister Takeo Miki, including diplomatic documents, materials, diaries, notebooks, letters, etc

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A first-rate collection of historical resources focusing on the turbulent Showa years from pre-WWII to the 1960s and containing around 6000 pieces of primary material.

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A first-rate resource on Japanese political and diplomatic history of the 1970s left by Masayoshi Ohira (1910-1980), 68th and 69th Prime Minister of Japan.

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Primary documents from the highest level of government of the Sato Administration.This includes a number of documents classified Top Secret or higher.

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Administrative History / Local Autonomy

Demonstrates the history of local autonomy in Japan after the enforcement of the Local Autonomy Law

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Contains materials of about 800 research results from the establishment of the Goto-Yasuda Memorial Tokyo City Research Institute (former Tokyo Municipal Research Council) to 2017.

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Forty years of Japan Research Institute for Local Government (Chiho Jichi Sogo Kenkyusho/ ”Jichisoken” ) activity, now accessible in a single location.

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Economic & Business History of Japan

This is indispensable resource to know the modern Japanese industry and business history.

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A digital collection of annual reports and prospectus produced between early Meiji and late Showa(1877-1990).

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An enormous collection consisting of primary documents of industrial policy from prewar period.

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The most exhaustive statistical resources on the history of Japan between Meiji and Post-War showa(1873-1972).

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Japanese Literature

Contains extremely valuable materials possessed in Kyoshi Memorial Museum such as handwritten manuscripts and letters by famous modern Japanese literary writers.

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An online database for literary magazine Mita Bungaku from 1910 to 1944. Indexed of articles and advertisements.

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Includes manuscripts and first publications by Dazai(1909-1948) along with personal diaries and notebooks from his school days.

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Sports

The online database contributes the study of sport and physical education, economics, management and business studies, law, sociology, engineering, education and medicine enables searches of around 900 issues of the journal and 100,000 headings.

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Rare Books and Old Materials

A greatest collection published during the Song and Yüan dynasties in China.

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