This database contains materials formerly owned by Kazuo Okochi and Mikio Sumiya, who served as presidents of the Council on Social Security System. The database contains a wide range of materials from the Council on Social Security System and other related councils and study groups, as well as surveys and statistics.

This is a database of source documents that trace the footsteps of defence policy, consisting of the 'Defence Agency Historical Materials', a group of documents collected for the compilation of the Defence Agency History, and the 'Kubo Documents' and 'Ito Documents', personal documents of defence bureaucrats.

Commercial and Trade Relations Between Tsarist Russia, the Soviet Union and the U.S.,1910-1963

This collection of U.S. State Department Central Classified Files relates to commercial and trade relations beginning in the Tsarist Russia period and extending through Khrushchev period in Soviet history. It contains a wide range of materials from U.S. diplomats including materials on treaties, general conditions affecting trade, imports and exports, laws and regulations, customs administration, tariffs, and ports of entry activities.

Module 3 : Diplomacy and Political Secrets, 1869-1950
This is the collection of 4,204 carefully selected and digitized China-related documents from the British Library's holdings of former Indian Ministry documents from the Political and Confidential Sector, Burma Bureau, and Military Sector.
These documents include intelligence materials, reports, memoranda, letters, intelligence logbooks, expedition logbooks, maps, etc., by the former Ministry of India concerning mainland China and the border areas with British India, namely Xinjiang, Tibet, and Yunnan.

It contains declassified documents of the U.S. federal government and is fully text searchable.
It contains classified documents from approximately 60 U.S. government agencies, including the State Department, Department of Defense, CIA, FBI, National Security Council, White House, etc.

The Making of the Modern World (MOMW) is a series of approximately 87,000 European publications on social and economic history spanning 500 years from the mid-15th century to the mid-20th century. The original holdings include The Goldsmiths' Library of Economic Literature at the University of London, the Kress Library of Business and Economics at Harvard University, the Seligman Collection at Columbia University and the Hiroshima University of Economics, and the History of Economics Collection at the University of Kansas.

This is the digitized database of the Nichols Collection, a collection of early British newspapers and periodicals from the Bodleian Library at Oxford University, which includes over 400 titles in total, including newspapers and periodicals from the 17th and 18th centuries, as well as pamphlets and broadsides.

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.