The materials include the Japanese Army's South-West Asian operations in the Pacific War with a collection of items related to the Second Army. This includes Second Army status reports and commands along with a diary of lower ranked individuals.
These records are of deliberation on legislative bills by counselors of the Cabinet Legislation Bureau. Such records have been preserved systematically from January 1972, when the guidelines for compilation and preservation of records of deliberations on bills and proposed ordinances started to be enforced. Records dating back to 1945 are now open to the public.
The investiture ranking system of honors had been implemented in accordance with the Investiture Regulations (1887) and the Court Rank Ordinance (1926). Investiture ratification records and other related documents are compiled by year and date. Materials held from 1946 to 2013 have now been released.
This group of materials includes documents of the secretariat of the War Investigation Committee, which was established by the Cabinet of Kijuro Shidehara in November 1945. The War Investigation Committee was tasked with investigating and deliberating on matters related to the Pacific War, and it conducted investigations until it was abolished in September 1946.
This collection of unburned materials survived fires following the Great Kanto Earthquake and other occurrences. The documents were stored in the Ministry of Finance's Financial History Office Records Section of the Documents Division. The materials were handed over in the 1960s. Clan system records, and materials of Okinawa as well as Okayama tax offices are now released.
This collection of documents concerning local administration by the Ministry of Home Affairs, includes related laws, notifications, reports, and inquiry documents. It contains officially revised original drafts, directives and notifications for inquiries by prefectures about municipal systems, and documents related to the proposed Tokyo municipal system.