63 records, with clear explanations.

An order names 18 personnel assigned to military bacteriological research at the army veterinary institute and one removed from the assignment.

Personnel transfer records link the Army Medical School to the Kwantung Army epidemic-prevention unit.

A document about staffing and reporting for formation of epidemic-prevention and water-supply units.

A logistics file connects wartime materials and temporary military funding to the Army Medical School and the Kwantung Army prevention unit.

A postwar list matches unit cover numbers, including 731 and 659, to the epidemic-prevention network.

Postwar army unit tables help trace code numbers and the relationship between headquarters and branches.

A 1953 official compilation lists unit formation dates, affiliations and station locations; it was written after the war.

A later official unit history describes organizational development, branches, staff and references to bacteriological research.

Orders on temporary formation and demobilization of the South China epidemic-prevention and water-supply unit.

A January 1941 report on organizational revisions and partial return of the Central China unit.

A parent record for a report that the Southern Army unit had completed its formation; detailed content review remains pending.

A 1944 table-of-contents entry concerning research facilities used in Unit 9420; details require the underlying records.

A 1944 diagram showing the North China unit's branches and field offices.

A 1944 organizational chart for the North China epidemic-prevention and water-supply unit.

A 1944 table allocating duties within the Beijing headquarters of the North China unit.

A parent ledger identifies a Central China unit branch by its army cover number; this is a cataloguing lead.

An order on producing and storing wartime sera and vaccines at the Kwantung Army veterinary institute.

A document on an outbreak of glanders in a breeding farm, relevant to the veterinary disease-control context.

A later compilation providing a cross-reference for the veterinary institute's organizational history and directors.

A 1945 North China unit personnel register and listing of branches and field offices, available through its catalogue entry.

A 1941 frostbite lecture identifies Yoshimura Hisato as an Army technician associated with Unit 731; the title alone does not establish experimental methods.

The parent catalogue entry for a series of Southern Army epidemic-prevention and water-supply reports.

A cover sheet in the Southern Army report series, not an additional substantive report.

A report in the Southern Army series on melioidosis and Whitmore's bacillus.

A report on mosquito observations in Singapore under Japanese occupation.

A report on Anopheles mosquitoes and malaria investigations in Burma.

Background information and education concerning Anopheles mosquitoes and malaria prevention.

A report on the history of infectious disease in India, associated with Naito Ryoichi.

A signed report describing methods for detecting quinine in urine; its page image has been reviewed.

A report on rodents linked to plague epidemiology in the Malay Peninsula.

A report on the occurrence of an Anopheles mosquito species in Thailand.

A second report studying rodent ecology in the Southern Army area.

A report mapping the distribution of leprosy in the wartime Japanese sphere.

A reported case of Hymenolepis diminuta-like parasite eggs in a human sample in Singapore.

A catalogue entry for experiment notes attributed to Ikeda Naeo; original contents have not been independently inspected here.

A catalogue record for a postwar provenance form cited in parliamentary proceedings; that citation is not itself a government factual finding.

A file concerning weapons provided by the Army Ordnance Bureau to the Kwantung Army chemical department for research; content review remains pending.

A file recording research policy and plans of the Kwantung Army chemical department; detailed review remains pending.

Central records of changes in ammunition, fuel and chemical-warfare material inventories.

A wartime table setting out quantities, carriage, storage and issue of chemical-warfare materials.

Records concerning distribution and reported use of chemical-warfare materials during the Wuhan campaign.

A combat report references special smoke munitions, places, dates, quantities and army units in the Xuzhou and Anqing operations.

A file on provisional adoption of three models of the Type 98 sanitation water filter.

An army-wide notice concerning classified information about sanitation water-filter equipment.

A 1944 document changing secrecy-handling procedures for water-filter materials.

A reproduced source collection providing leads on chemical-agent testing, cold-weather materials and contaminated-area experiments.

A 1933 file on additional shipments of the Ishii water-filtration device.

A 1933 document on procedures for the Ishii sterile water-filtration device.

A 1936 document placing the Ishii field water filter within army equipment administration.

A 1937 file on urgent forward shipment of Ishii water-filter vehicles.

A 1938 requisition list including three Ishii water-filter vehicles.

A 1943 South China field poison-testing manual listed in a reproduced volume; the item-level original location remains unknown.

The Tokyo District Court's 27 August 2002 judgment, including findings about germ warfare in China and the dismissal of compensation claims.

A catalogue reference for a wartime order about improving sanitation at a prisoner-of-war camp; it does not by itself prove experiments.

Minutes of a 2025 Japanese Diet committee: a government witness confirmed Ikeda Naeo's 1940 appointment, while other remarks require separate attribution.

Minutes of a 1952 Japanese Diet committee on Kitano Masaji and Wakumatsu Yujiro's official positions.

A reproduced volume of the Unit 659 personnel register, printed pages 379–812; the original register has not been acquired here.

The 1940 Kwantung Army prevention-unit staff list: catalogue and sheet locations are known, but the target original has not been obtained.

A 2023 online guide giving catalogue and sheet references for the 1940 military reorganization dossier.

A secondary online transcription of selected names and posts from the 1940 staff list; verify against the original pages.

An older website describing digital and transcribed versions of the Unit 659 register; availability of historic download links is not guaranteed.

Reproduced volume one of the Unit 659 personnel register, printed pages 1–378, names ア–ソ.

A Guangdong Provincial Archives notice reports receipt of colour scans of a Unit 8604 personnel register recording 860 people as of February 1945; the scans themselves are not held by this site.