Oka Takazumi

Following the end of World War II, Oka was prosecuted as a war criminal during the International Military Tribunal for the Far East.^[4] Upon being convicted, he was sentenced to life imprisonment.^[5] In 1954, he was granted parole for health reasons.^[6] The War Crimes Tribunal stated that he would be handed over to the custody of the Japanese Minister of Justice, and that should he recover from his illnesses, he would be expected to return to Sugamo Prison.^[7]

• Coox, Alvin D. (1992). "Japanese Net Assessment in the Era Before Pearl Harbor". In Murray, Williamson; Millet, Allan (eds.). Calculations: Net Assessment and the Coming of World War II. New York, N.Y.: MacMillan, Inc. ISBN 1-4165-7684-3.
• Evans, David C.; Peattie, David (1997). Kaigun: Strategy, Tactics and Technology in the Imperial Japanese Navy,1887-1941. Annapolis, MD: Naval Institute Press. ISBN 978-0-87021-192-8.
• Mei, Ju-ao (2016). The Tokyo Trial and War Crimes in Asia. Shanghai Jiao Tong University Press. ISBN 978-981-15-9812-8.