PMR to the General HQ of the Supreme Commander for the Allied Powers from the Central Liaison Office (T. Nobori), dated November 29th, 1946; on the military and biographical history of Nishimura Takeshi.
Report of Investigation Division by H. Kanemitsu (SCAP), dated November 12th, 1946; on Hosaka's location and the activities he led in the Osaka Office during WW2.